| Place Name | County | Total ZIP Codes | Population (2022) |
|---|
| Acalanes Ridge | Contra Costa County | 2 | 1,281 |
| Acampo | San Joaquin County | 1 | 462 |
| Acton | Los Angeles County | 1 | 7,117 |
| Adelanto | San Bernardino County | 1 | 31,040 |
| Adin | Modoc County | 1 | 322 |
| Agoura Hills | Los Angeles County | 1 | 20,431 |
|
| Agua Dulce | Los Angeles County | 3 | 3,233 |
| Aguanga | Riverside County | 1 | 1,254 |
| Ahwahnee | Madera County | 1 | 1,748 |
| Airport | Stanislaus County | 1 | 1,493 |
| Alameda | Alameda County | 2 | 74,023 |
|
| Alamo | Contra Costa County | 1 | 15,504 |
| Albany | Alameda County | 1 | 18,493 |
| Albion | Mendocino County | 1 | 298 |
| Alderpoint | Humboldt County | 1 | 320 |
| Alhambra | Los Angeles County | 2 | 83,513 |
| Alhambra Valley | Contra Costa County | 2 | 754 |
| Aliso Viejo | Orange County | 1 | 47,910 |
| Alleghany | Sierra County | 1 | 72 |
| Allendale | Solano County | 1 | 1,721 |
| Allensworth | Tulare County | 1 | 386 |
|
| Almanor | Plumas County | 2 | 0 |
| Alondra Park | Los Angeles County | 4 | 8,395 |
| Alpaugh | Tulare County | 1 | 793 |
| Alpine | San Diego County | 1 | 13,511 |
| Alpine Village | Alpine County | 1 | 139 |
| Alta | Placer County | 1 | 527 |
| Alta Loma | San Bernardino County | 1 | |
| Alta Sierra (Kern County) | Kern County | 1 | 111 |
| Alta Sierra (Nevada County) | Nevada County | 1 | 6,782 |
| Altadena | Los Angeles County | 1 | 44,578 |
|
| Altaville | Calaveras County | 1 | |
| Alto | Marin County | 1 | 745 |
| Alturas | Modoc County | 1 | 2,792 |
| Alum Rock | Santa Clara County | 1 | 11,796 |
| Alviso | Santa Clara County | 1 | |
| Amador City | Amador County | 1 | 192 |
| Amador Pines | Amador County | 2 | 992 |
| Amboy | San Bernardino County | 1 | |
| American Canyon | Napa County | 1 | 19,127 |
| Amesti | Santa Cruz County | 2 | 3,501 |
| Anaheim | Orange County | 7 | 337,471 |
| Anchor Bay | Mendocino County | 1 | 287 |
| Anderson | Shasta County | 1 | 9,971 |
| Angels | Calaveras County | 1 | 3,824 |
| Angels Camp | Calaveras County | 1 | |
| Angels City | Calaveras County | 1 | |
| Angelus Oaks | San Bernardino County | 1 | |
| Angwin | Napa County | 1 | 3,233 |
| Annapolis | Sonoma County | 1 | |
| Antelope | Sacramento County | 1 | 46,865 |
|
| Antioch | Contra Costa County | 2 | 102,575 |
| Anza | Riverside County | 1 | 2,623 |
| Apple Valley | San Bernardino County | 2 | 69,155 |
| Applegate | Placer County | 1 | |
| Aptos | Santa Cruz County | 1 | 6,317 |
| Aptos Hills-Larkin Valley | Santa Cruz County | 2 | 1,636 |
| Arbuckle | Colusa County | 1 | 3,341 |
| Arcadia | Los Angeles County | 2 | 56,497 |
| Arcata | Humboldt County | 1 | 17,421 |
| Arden-Arcade | Sacramento County | 9 | 91,099 |
| Armona | Kings County | 1 | 3,661 |
| Arnold | Calaveras County | 1 | 2,552 |
| Aromas | San Benito County | 1 | 2,789 |
| Arroyo Grande | San Luis Obispo County | 1 | 17,284 |
| Artesia | Los Angeles County | 1 | 16,541 |
| Artois | Glenn County | 1 | 219 |
| Arvin | Kern County | 1 | 19,298 |
| Ashland | Alameda County | 5 | 22,778 |
| Aspen Springs | Mono County | 2 | 33 |
| Atascadero | San Luis Obispo County | 1 | 28,441 |
| Atherton | San Mateo County | 1 | 6,972 |
| Atwater | Merced County | 1 | 28,153 |
| Atwood | Orange County | 1 | |
| Auberry | Fresno County | 1 | 1,903 |
| Auburn | Placer County | 2 | 13,502 |
| Auburn Lake Trails | El Dorado County | 1 | 3,596 |
| August | San Joaquin County | 2 | 7,918 |
| Avalon | Los Angeles County | 1 | 3,717 |
| Avenal | Kings County | 1 | 15,341 |
| Avery | Calaveras County | 2 | 588 |
| Avila Beach | San Luis Obispo County | 1 | 1,174 |
| Avocado Heights | Los Angeles County | 3 | 15,312 |
| Azusa | Los Angeles County | 1 | 46,523 |
| Badger | Tulare County | 1 | |
| Baker | San Bernardino County | 1 | 730 |
| Bakersfield | Kern County | 11 | 347,091 |
| Bakersfield Country Club | Kern County | 1 | 1,486 |
| Baldwin Park | Los Angeles County | 1 | 75,650 |
| Ballard | Santa Barbara County | 3 | 398 |
| Ballico | Merced County | 1 | 305 |
| Bangor | Butte County | 1 | 454 |
| Banning | Riverside County | 1 | 29,682 |
| Banta | San Joaquin County | 1 | |
| Bard | Imperial County | 1 | |
| Barstow | San Bernardino County | 1 | 22,836 |
| Bass Lake | Madera County | 1 | 713 |
| Bay Point | Contra Costa County | 4 | 21,614 |
| Bayside | Humboldt County | 1 | |
| Bayview (Contra Costa County) | Contra Costa County | 2 | 2,438 |
| Bayview (Humboldt County) | Humboldt County | 1 | 2,651 |
| Bayview-Montalvin | Contra Costa County | 1 | |
| Baywood Park | San Mateo County | 2 | 1,786 |
| Baywood-Los Osos | San Luis Obispo County | 1 | |
| Beale AFB | Yuba County | 1 | 1,581 |
| Bear Creek | Merced County | 1 | 141 |
| Bear Valley (Alpine County) | Alpine County | 1 | 77 |
| Bear Valley (Mariposa County) | Mariposa County | 1 | 264 |
| Bear Valley Springs | Kern County | 2 | 5,462 |
| Beaumont | Riverside County | 1 | 36,687 |
| Beckwourth | Plumas County | 1 | 446 |
| Belden | Plumas County | 1 | 48 |
| Bell | Los Angeles County | 5 | 35,619 |
| Bell Canyon | Ventura County | 2 | 2,158 |
| Bell Gardens | Los Angeles County | 1 | 42,323 |
| Bella Vista | Shasta County | 1 | 2,605 |
| Bellflower | Los Angeles County | 1 | 76,619 |
| Belmont | San Mateo County | 1 | 25,887 |
| Belvedere | Marin County | 1 | 1,994 |
| Ben Lomond | Santa Cruz County | 1 | 6,317 |
| Benbow | Humboldt County | 1 | 387 |
| Bend | Tehama County | 1 | 644 |
| Benicia | Solano County | 1 | 27,088 |
| Benton | Mono County | 1 | 110 |
| Benton Park | Kern County | 1 | 5,212 |
| Berkeley | Alameda County | 9 | 112,662 |
| Bermuda Dunes | Riverside County | 1 | 7,317 |
| Berry Creek | Butte County | 1 | 1,187 |
| Bertsch-Oceanview | Del Norte County | 1 | 2,513 |
| Bethel Island | Contra Costa County | 1 | 1,910 |
| Beverly Hills | Los Angeles County | 3 | 34,215 |
| Bieber | Lassen County | 1 | 281 |
| Big Bar | Trinity County | 1 | |
| Big Bear City | San Bernardino County | 1 | 11,628 |
| Big Bear Lake | San Bernardino County | 1 | 5,085 |
| Big Bend | Shasta County | 1 | 78 |
| Big Creek | Fresno County | 1 | 218 |
| Big Lagoon | Humboldt County | 1 | 152 |
| Big Oak Flat | Tuolumne County | 1 | |
| Big Pine | Inyo County | 1 | 1,669 |
| Big River | San Bernardino County | 1 | 1,202 |
| Big Sur | Monterey County | 1 | |
| Biggs | Butte County | 1 | 1,678 |
| Biola | Fresno County | 1 | 885 |
| Birds Landing | Solano County | 1 | |
| Bishop | Inyo County | 1 | 3,851 |
| Black Point-Green Point | Marin County | 1 | 1,208 |
| Blackhawk | Contra Costa County | 1 | 9,155 |
| Blackhawk-Camino Tassajara | Contra Costa County | 1 | |
| Blacklake | San Luis Obispo County | 2 | 1,045 |
| Blairsden | Plumas County | 1 | 44 |
| Blocksburg | Humboldt County | 1 | |
| Bloomfield | Sonoma County | 2 | 150 |
| Bloomington | San Bernardino County | 1 | 25,735 |
| Blue Jay | San Bernardino County | 1 | |
| Blue Lake | Humboldt County | 1 | 1,445 |
| Bluewater | San Bernardino County | 1 | 123 |
| Blythe | Riverside County | 1 | 20,658 |
| Bodega | Sonoma County | 1 | 91 |
| Bodega Bay | Sonoma County | 1 | 717 |
| Bodfish | Kern County | 1 | 1,831 |
| Bolinas | Marin County | 1 | 1,108 |
| Bombay Beach | Imperial County | 1 | 374 |
| Bonadelle Ranchos | Madera County | 1 | 5,191 |
| Bonadelle Ranchos-Madera Ranchos | Madera County | 1 | |
| Bonita | San Diego County | 1 | 12,917 |
| Bonny Doon | Santa Cruz County | 4 | 2,743 |
| Bonsall | San Diego County | 1 | 3,859 |
| Boonville | Mendocino County | 1 | 1,115 |
| Bootjack | Mariposa County | 1 | 959 |
| Boron | Kern County | 1 | 2,017 |
| Boronda | Monterey County | 2 | 1,562 |
| Borrego Springs | San Diego County | 1 | 2,456 |
| Bostonia | San Diego County | 2 | 14,739 |
| Boulder Creek | Santa Cruz County | 1 | 5,188 |
| Boulevard | San Diego County | 1 | 249 |
| Bowles | Fresno County | 1 | 117 |
| Boyes Hot Springs | Sonoma County | 1 | 7,818 |
| Bradbury | Los Angeles County | 3 | 812 |
| Bradley | Monterey County | 1 | 92 |
| Branscomb | Mendocino County | 1 | |
| Brawley | Imperial County | 1 | 24,971 |
| Brea | Orange County | 2 | 39,384 |
| Brentwood | Contra Costa County | 1 | 50,764 |
| Bret Harte | Stanislaus County | 1 | 5,343 |
| Bridgeport | Mono County | 1 | 360 |
| Bridgeville | Humboldt County | 1 | |
| Brisbane | San Mateo County | 1 | 4,266 |
| Broadmoor | San Mateo County | 1 | 4,498 |
| Brookdale | Santa Cruz County | 1 | 1,887 |
| Brooks | Yolo County | 1 | 41 |
| Brooktrails | Mendocino County | 1 | 2,997 |
| Browns Valley | Yuba County | 1 | |
| Brownsville | Yuba County | 1 | |
| Bryn Mawr | San Bernardino County | 1 | |
| Buck Meadows | Mariposa County | 1 | 6 |
| Buckhorn | Amador County | 1 | 2,548 |
| Bucks Lake | Plumas County | 2 | 0 |
| Buellton | Santa Barbara County | 1 | 4,786 |
| Buena Park | Orange County | 2 | 80,781 |
| Buena Vista | Amador County | 1 | 305 |
| Burbank | Los Angeles County | 8 | 103,420 |
| Burbank (Santa Clara County) | Santa Clara County | 1 | 5,789 |
| Burlingame | San Mateo County | 1 | 28,916 |
| Burney | Shasta County | 1 | 2,737 |
| Burnt Ranch | Trinity County | 1 | 293 |
| Burrel | Fresno County | 1 | |
| Burson | Calaveras County | 1 | |
| Butte City | Glenn County | 1 | |
| Butte Creek Canyon | Butte County | 3 | 982 |
| Butte Meadows | Butte County | 1 | 16 |
| Butte Valley | Butte County | 2 | 771 |
| Buttonwillow | Kern County | 1 | 1,349 |
| Byron | Contra Costa County | 1 | 1,149 |
| Bystrom | Stanislaus County | 1 | 4,070 |
| C-Road | Plumas County | 2 | 181 |
| Cabazon | Riverside County | 1 | 2,121 |
| Calabasas | Los Angeles County | 1 | 23,352 |
| Calexico | Imperial County | 1 | 38,193 |
| Caliente | Kern County | 1 | |
| California City | Kern County | 1 | 13,361 |
| California Hot Springs | Tulare County | 1 | 97 |
| California Pines | Modoc County | 1 | 385 |
| California Polytechnic State University | San Luis Obispo County | 3 | 7,713 |
| Calimesa | Riverside County | 1 | 7,932 |
| Calipatria | Imperial County | 1 | 7,532 |
| Calistoga | Napa County | 1 | 5,156 |
| Callahan | Siskiyou County | 1 | |
| Callender | San Luis Obispo County | 1 | 1,633 |
| Calpella | Mendocino County | 2 | 580 |
| Calpine | Sierra County | 1 | 225 |
| Calwa | Fresno County | 1 | 1,350 |
| Camanche North Shore | Amador County | 1 | 884 |
| Camanche Village | Amador County | 1 | 754 |
| Camarillo | Ventura County | 2 | 64,944 |
| Cambria | San Luis Obispo County | 1 | 6,204 |
| Cambrian Park | Santa Clara County | 1 | 3,697 |
| Cameron Park | El Dorado County | 2 | 17,586 |
| Camino | El Dorado County | 1 | 1,931 |
| Camino Tassajara | Contra Costa County | 1 | 1,908 |
| Camp Meeker | Sonoma County | 1 | |
| Camp Nelson | Tulare County | 1 | 124 |
| Camp Pendleton Mainside | San Diego County | 2 | 7,424 |
| Camp Pendleton South | San Diego County | 3 | 12,355 |
| Campbell | Santa Clara County | 1 | 39,482 |
| Campo | San Diego County | 1 | 2,753 |
| Campo Seco | Calaveras County | 1 | |
| Camptonville | Yuba County | 1 | 116 |
| Canby | Modoc County | 1 | 479 |
| Canoga Park | Los Angeles County | 1 | |
| Cantil | Kern County | 1 | |
| Cantua Creek | Fresno County | 1 | 345 |
| Canyon | Alameda County | 1 | |
| Canyon Country | Los Angeles County | 1 | |
| Canyon Lake | Riverside County | 4 | 10,670 |
| Canyondam | Plumas County | 1 | 0 |
| Capay | Yolo County | 1 | |
| Capistrano Beach | Orange County | 1 | |
| Capitola | Santa Cruz County | 1 | 9,914 |
| Caribou | Plumas County | 1 | 0 |
| Carlotta | Humboldt County | 1 | |
| Carlsbad | San Diego County | 4 | 105,097 |
| Carmel Valley | Monterey County | 1 | |
| Carmel Valley Village | Monterey County | 3 | 4,552 |
| Carmel-by-the-Sea | Monterey County | 1 | 3,757 |
| Carmet | Sonoma County | 2 | 14 |
| Carmichael | Sacramento County | 1 | 61,267 |
| Carnelian Bay | Placer County | 1 | 328 |
| Carpinteria | Santa Barbara County | 1 | 13,100 |
| Carrick | Siskiyou County | 1 | 120 |
| Carson | Los Angeles County | 3 | 91,937 |
| Cartago | Inyo County | 2 | 39 |
| Caruthers | Fresno County | 1 | 3,361 |
| Casa Conejo | Ventura County | 1 | 3,381 |
| Casa de Oro-Mount Helix | San Diego County | 4 | 18,736 |
| Casa Loma | Kern County | 1 | 1,404 |
| Casmalia | Santa Barbara County | 1 | 238 |
| Caspar | Mendocino County | 1 | 697 |
| Cassel | Shasta County | 1 | 402 |
| Castaic | Los Angeles County | 1 | 18,610 |
| Castella | Shasta County | 2 | 230 |
| Castle Hill | Contra Costa County | 2 | 1,218 |
| Castro Valley | Alameda County | 2 | 60,981 |
| Castroville | Monterey County | 1 | 6,103 |
| Cathedral City | Riverside County | 1 | 51,507 |
| Catheys Valley | Mariposa County | 1 | 802 |
| Cayucos | San Luis Obispo County | 1 | 2,431 |
| Cazadero | Sonoma County | 1 | 294 |
| Cedar Flat | Placer County | 2 | 886 |
| Cedar Glen | San Bernardino County | 1 | |
| Cedar Ridge | Tuolumne County | 3 | 968 |
| Cedar Slope | Tulare County | 1 | 0 |
| Cedarpines Park | San Bernardino County | 1 | |
| Cedarville | Modoc County | 1 | 508 |
| Centerville (Fresno County) | Fresno County | 1 | 223 |
| Centerville (Shasta County) | Shasta County | 1 | 2,170 |
| Ceres | Stanislaus County | 1 | 45,086 |
| Cerritos | Los Angeles County | 1 | 49,296 |
| Chalfant | Mono County | 1 | 627 |
| Challenge | Yuba County | 1 | |
| Challenge-Brownsville | Yuba County | 5 | 1,449 |
| Channel Islands Beach | Ventura County | 1 | 3,290 |
| Charleston View | Inyo County | 1 | 6 |
| Charter Oak | Los Angeles County | 3 | 9,614 |
| Chatsworth | Los Angeles County | 1 | |
| Cherokee | Butte County | 1 | 122 |
| Cherokee Strip | Kern County | 1 | 289 |
| Cherry Valley | Riverside County | 4 | 5,311 |
| Cherryland | Alameda County | 2 | 14,499 |
| Chester | Plumas County | 1 | 2,155 |
| Chico | Butte County | 3 | 86,391 |
| Chilcoot | Plumas County | 1 | |
| Chilcoot-Vinton | Plumas County | 1 | 527 |
| China Lake Acres | Kern County | 2 | 1,211 |
| Chinese Camp | Tuolumne County | 1 | 113 |
| Chino | San Bernardino County | 2 | 78,713 |
| Chino Hills | San Bernardino County | 1 | 75,211 |
| Choctaw Valley | Kern County | 1 | 252 |
| Chowchilla | Madera County | 1 | 18,427 |
| Chualar | Monterey County | 1 | 1,148 |
| Chula Vista | San Diego County | 5 | 242,499 |
| Cima | San Bernardino County | 1 | |
| Citrus | Los Angeles County | 3 | 11,157 |
| Citrus Heights | Sacramento County | 2 | 84,104 |
| Claremont | Los Angeles County | 1 | 35,043 |
| Clarksburg | Yolo County | 1 | 422 |
| Clay | Sacramento County | 1 | 1,147 |
| Clayton | Contra Costa County | 1 | 11,020 |
| Clear Creek | Lassen County | 1 | 169 |
| Clearlake | Lake County | 1 | 15,127 |
| Clearlake Oaks | Lake County | 1 | 1,462 |
| Clearlake Park | Lake County | 1 | |
| Clearlake Riviera | Lake County | 2 | 2,908 |
| Clements | San Joaquin County | 1 | |
| Cleone | Mendocino County | 1 | 688 |
| Clio | Plumas County | 1 | 39 |
| Clipper Mills | Butte County | 1 | 0 |
| Cloverdale | Sonoma County | 1 | 8,515 |
| Clovis | Fresno County | 3 | 95,431 |
| Clyde | Contra Costa County | 1 | 500 |
| Coachella | Riverside County | 1 | 40,658 |
| Coalinga | Fresno County | 1 | 15,854 |
| Coarsegold | Madera County | 1 | 1,481 |
| Cobb | Lake County | 1 | 1,918 |
| Coffee Creek | Trinity County | 1 | 194 |
| Cohasset | Butte County | 1 | 942 |
| Cold Springs (El Dorado County) | El Dorado County | 1 | 588 |
| Cold Springs (Tuolumne County) | Tuolumne County | 1 | 303 |
| Coleville | Mono County | 1 | 586 |
| Colfax | Placer County | 1 | 1,943 |
| College City | Colusa County | 1 | 143 |
| Collierville | San Joaquin County | 2 | 2,345 |
| Colma | San Mateo County | 2 | 1,671 |
| Coloma | El Dorado County | 3 | 573 |
| Colton | San Bernardino County | 1 | 52,425 |
| Columbia | Tuolumne County | 1 | 2,223 |
| Colusa | Colusa County | 1 | 5,937 |
| Commerce | Los Angeles County | 7 | 12,836 |
| Comptche | Mendocino County | 1 | 135 |
| Compton | Los Angeles County | 3 | 96,561 |
| Concord | Contra Costa County | 4 | 122,683 |
| Concow | Butte County | 1 | 462 |
| Contra Costa Centre | Contra Costa County | 3 | 5,547 |
| Copperopolis | Calaveras County | 1 | 4,174 |
| Corcoran | Kings County | 1 | 24,429 |
| Corning | Tehama County | 1 | 7,628 |
| Corona | Riverside County | 6 | 153,644 |
| Coronado | San Diego County | 1 | 21,968 |
| Coronita | Riverside County | 2 | 3,057 |
| Corralitos | Santa Cruz County | 2 | 2,490 |
| Corte Madera | Marin County | 1 | 9,267 |
| Costa Mesa | Orange County | 2 | 110,322 |
| Cotati | Sonoma County | 1 | 7,242 |
| Coto de Caza | Orange County | 3 | 15,041 |
| Cottonwood (Kern County) | Kern County | 1 | 3,121 |
| Cottonwood (Shasta County) | Shasta County | 2 | 3,991 |
| Coulterville | Mariposa County | 1 | 180 |
| Country Club | San Joaquin County | 4 | 9,334 |
| Courtland | Sacramento County | 1 | 500 |
| Covelo | Mendocino County | 1 | 1,404 |
| Covina | Los Angeles County | 3 | 47,855 |
| Cowan | Stanislaus County | 1 | 463 |
| Coyote | Santa Clara County | 1 | |
| Crescent City | Del Norte County | 1 | 7,560 |
| Crescent City North | Del Norte County | 1 | |
| Crescent Mills | Plumas County | 1 | 212 |
| Cressey | Merced County | 2 | 412 |
| Crest | San Diego County | 2 | 2,201 |
| Crest Park | San Bernardino County | 1 | |
| Crestline | San Bernardino County | 1 | 9,039 |
| Creston | San Luis Obispo County | 1 | 91 |
| Crockett | Contra Costa County | 1 | 2,866 |
| Cromberg | Plumas County | 2 | 153 |
| Crowley Lake | Mono County | 1 | 683 |
| Crows Landing | Stanislaus County | 1 | 530 |
| Cudahy | Los Angeles County | 3 | 23,867 |
| Culver City | Los Angeles County | 2 | 38,949 |
| Cupertino | Santa Clara County | 1 | 58,409 |
| Cutler | Tulare County | 1 | 3,899 |
| Cutten | Humboldt County | 1 | 2,973 |
| Cuyama | Santa Barbara County | 1 | 55 |
| Cypress | Orange County | 1 | 47,986 |
| Daggett | San Bernardino County | 1 | |
| Dales | Tehama County | 2 | 0 |
| Daly City | San Mateo County | 2 | 101,538 |
| Dana Point | Orange County | 1 | 33,596 |
| Danville | Contra Costa County | 2 | 42,265 |
| Daphnedale Park | Modoc County | 1 | 19 |
| Darwin | Inyo County | 1 | 35 |
| Davenport | Santa Cruz County | 1 | 235 |
| Davis | Yolo County | 2 | 65,616 |
| Davis Creek | Modoc County | 1 | |
| Day Valley | Santa Cruz County | 3 | 3,416 |
| Deer Park | Napa County | 1 | 1,020 |
| Del Aire | Los Angeles County | 4 | 10,363 |
| Del Dios | San Diego County | 1 | 302 |
| Del Mar | San Diego County | 1 | 4,197 |
| Del Monte Forest | Monterey County | 4 | 4,470 |
| Del Rey | Fresno County | 1 | 1,455 |
| Del Rey Oaks | Monterey County | 3 | 1,781 |
| Del Rio | Stanislaus County | 2 | 1,516 |
| Delano | Kern County | 1 | 52,618 |
| Delft Colony | Tulare County | 1 | 338 |
| Delhi | Merced County | 1 | 10,235 |
| Delleker | Plumas County | 1 | 741 |
| Denair | Stanislaus County | 1 | 4,751 |
| Derby Acres | Kern County | 1 | 346 |
| Descanso | San Diego County | 1 | 1,439 |
| Desert Center | Riverside County | 1 | 177 |
| Desert Edge | Riverside County | 1 | 5,000 |
| Desert Hot Springs | Riverside County | 2 | 26,474 |
| Desert Palms | Riverside County | 3 | 6,527 |
| Desert Shores | Imperial County | 1 | 724 |
| Desert View Highlands | Los Angeles County | 1 | 2,616 |
| Di Giorgio | Kern County | 1 | 398 |
| Diablo | Contra Costa County | 1 | 1,211 |
| Diablo Grande | Stanislaus County | 1 | 917 |
| Diamond Bar | Los Angeles County | 1 | 55,810 |
| Diamond Springs | El Dorado County | 1 | 11,271 |
| Dillon Beach | Marin County | 1 | 142 |
| Dinuba | Tulare County | 1 | 21,857 |
| Discovery Bay | Contra Costa County | 1 | 12,620 |
| Dixon | Solano County | 1 | 18,312 |
| Dixon Lane-MeadowCreek | Inyo County | 1 | 2,544 |
| Dobbins | Yuba County | 1 | 258 |
| Dogtown | San Joaquin County | 3 | 2,466 |
| Dollar Point | Placer County | 2 | 1,154 |
| Dorrington | Calaveras County | 1 | 503 |
| Dorris | Siskiyou County | 1 | 939 |
| Dos Palos | Merced County | 1 | 4,953 |
| Dos Palos Y | Merced County | 1 | 163 |
| Dos Rios | Mendocino County | 1 | |
| Douglas City | Trinity County | 1 | 672 |
| Douglas Flat | Calaveras County | 1 | |
| Downey | Los Angeles County | 3 | 111,807 |
| Downieville | Sierra County | 1 | 316 |
| Doyle | Lassen County | 1 | 302 |
| Drytown | Amador County | 1 | 163 |
| Duarte | Los Angeles County | 2 | 21,409 |
| Dublin | Alameda County | 1 | 45,799 |
| Ducor | Tulare County | 1 | 449 |
| Dulzura | San Diego County | 1 | |
| Duncans Mills | Sonoma County | 1 | |
| Dunlap | Fresno County | 1 | |
| Dunnigan | Yolo County | 1 | 1,122 |
| Dunsmuir | Siskiyou County | 1 | 1,558 |
| Durham | Butte County | 1 | 5,745 |
| Dustin Acres | Kern County | 1 | 385 |
| Dutch Flat | Placer County | 1 | 146 |
| Eagleville | Modoc County | 1 | 42 |
| Earlimart | Tulare County | 1 | 7,532 |
| Earp | San Bernardino County | 1 | |
| East Bakersfield | Kern County | 2 | 10,254 |
| East Blythe | Riverside County | 1 | |
| East Compton | Los Angeles County | 1 | |
| East Foothills | Santa Clara County | 3 | 6,952 |
| East Hemet | Riverside County | 2 | 17,393 |
| East Irvine | Orange County | 1 | |
| East La Mirada | Los Angeles County | 1 | |
| East Los Angeles | Los Angeles County | 7 | 126,751 |
| East Nicolaus | Sutter County | 2 | 262 |
| East Niles | Kern County | 2 | 29,885 |
| East Oakdale | Stanislaus County | 1 | 2,958 |
| East Orosi | Tulare County | 1 | 468 |
| East Palo Alto | San Mateo County | 2 | 28,332 |
| East Pasadena | Los Angeles County | 3 | 5,803 |
| East Porterville | Tulare County | 1 | 6,393 |
| East Quincy | Plumas County | 2 | 2,687 |
| East Rancho Dominguez | Los Angeles County | 1 | 14,233 |
| East Richmond Heights | Contra Costa County | 2 | 3,149 |
| East San Gabriel | Los Angeles County | 3 | 15,591 |
| East Shore | Plumas County | 3 | 162 |
| East Sonora | Tuolumne County | 1 | 2,237 |
| East Tulare Villa | Tulare County | 1 | 1,288 |
| East Whittier | Los Angeles County | 1 | 10,232 |
| Eastern Goleta Valley | Santa Barbara County | 6 | 29,823 |
| Easton | Fresno County | 2 | 1,930 |
| Eastvale | Riverside County | 5 | 59,030 |
| Echo Lake | El Dorado County | 1 | |
| Edgewood | Siskiyou County | 1 | 45 |
| Edison | Kern County | 1 | 109 |
| Edmundson Acres | Kern County | 1 | 179 |
| Edna | San Luis Obispo County | 1 | 165 |
| Edwards | Kern County | 1 | |
| Edwards AFB | Kern County | 2 | 2,585 |
| El Adobe | Kern County | 1 | 118 |
| El Cajon | San Diego County | 3 | 99,680 |
| El Centro | Imperial County | 1 | 42,514 |
| El Centro Naval Air Facility | Imperial County | 2 | 609 |
| El Cerrito | Contra Costa County | 1 | 23,653 |
| El Cerrito (Riverside County) | Riverside County | 1 | 5,357 |
| El Dorado | El Dorado County | 1 | |
| El Dorado Hills | El Dorado County | 1 | 43,760 |
| El Granada | San Mateo County | 1 | 4,907 |
| El Macero | Yolo County | 1 | 1,086 |
| El Monte | Los Angeles County | 2 | 114,032 |
| El Monte Mobile Village | Tulare County | 1 | 0 |
| El Nido | Merced County | 1 | 380 |
| El Paso de Robles (Paso Robles) | San Luis Obispo County | 1 | 29,770 |
| El Portal | Mariposa County | 1 | 458 |
| El Rancho | Tulare County | 1 | 0 |
| El Rio | Ventura County | 1 | 5,790 |
| El Segundo | Los Angeles County | 1 | 16,678 |
| El Sobrante (Contra Costa County) | Contra Costa County | 4 | 13,213 |
| El Sobrante (Riverside County) | Riverside County | 2 | 13,406 |
| El Toro | Orange County | 1 | |
| El Verano | Sonoma County | 1 | 4,247 |
| Eldridge | Sonoma County | 2 | 1,576 |
| Elfin Forest | San Diego County | 3 | 462 |
| Elizabeth Lake | Los Angeles County | 3 | 1,605 |
| Elk | Mendocino County | 1 | |
| Elk Creek | Glenn County | 1 | 72 |
| Elk Grove | Sacramento County | 3 | 151,639 |
| Elkhorn | Monterey County | 4 | 1,607 |
| Elmira | Solano County | 1 | 230 |
| Elverta | Sacramento County | 1 | 5,325 |
| Emerald Lake Hills | San Mateo County | 2 | 4,391 |
| Emeryville | Alameda County | 1 | 9,969 |
| Emigrant Gap | Placer County | 1 | |
| Empire | Stanislaus County | 1 | 4,000 |
| Encinitas | San Diego County | 1 | 59,782 |
| Encino | Los Angeles County | 1 | |
| Escalon | San Joaquin County | 1 | 7,146 |
| Escondido | San Diego County | 4 | 144,311 |
| Esparto | Yolo County | 1 | 2,789 |
| Essex | San Bernardino County | 1 | |
| Etna | Siskiyou County | 1 | 765 |
| Eucalyptus Hills | San Diego County | 1 | 5,290 |
| Eureka | Humboldt County | 2 | 27,037 |
| Exeter | Tulare County | 1 | 10,324 |
| Fair Oaks | Sacramento County | 1 | 30,920 |
| Fairbanks Ranch | San Diego County | 4 | 2,182 |
| Fairfax | Marin County | 1 | 7,446 |
| Fairfax (Kern County) | Kern County | 1 | 1,778 |
| Fairfield | Solano County | 2 | 105,407 |
| Fairhaven | Humboldt County | 1 | 222 |
| Fairmead | Madera County | 1 | 1,609 |
| Fairview | Alameda County | 4 | 10,121 |
| Fall River Mills | Shasta County | 1 | 487 |
| Fallbrook | San Diego County | 1 | 31,419 |
| Farmersville | Tulare County | 1 | 10,547 |
| Farmington | San Joaquin County | 1 | 249 |
| Fawnskin | San Bernardino County | 1 | |
| Feather Falls | Butte County | 1 | |
| Fellows | Kern County | 1 | 118 |
| Felton | Santa Cruz County | 1 | 4,043 |
| Ferndale | Humboldt County | 1 | 1,372 |
| Fetters Hot Springs-Agua Caliente | Sonoma County | 1 | 4,121 |
| Fiddletown | Amador County | 1 | 108 |
| Fieldbrook | Humboldt County | 2 | 952 |
| Fields Landing | Humboldt County | 1 | 120 |
| Fillmore | Ventura County | 1 | 14,961 |
| Finley | Lake County | 1 | |
| Firebaugh | Fresno County | 1 | 7,639 |
| Fish Camp | Mariposa County | 1 | 44 |
| Five Points | Fresno County | 1 | |
| Florence-Graham | Los Angeles County | 6 | 61,380 |
| Florin | Sacramento County | 3 | 50,500 |
| Floriston | Nevada County | 1 | 36 |
| Flournoy | Tehama County | 2 | 126 |
| Folsom | Sacramento County | 1 | 71,675 |
| Fontana | San Bernardino County | 3 | 196,129 |
| Foothill Farms | Sacramento County | 5 | 32,785 |
| Forbestown | Butte County | 1 | 303 |
| Ford City | Kern County | 1 | 4,047 |
| Forest Falls | San Bernardino County | 1 | |
| Forest Knolls | Marin County | 1 | |
| Forest Meadows | Calaveras County | 2 | 1,313 |
| Forest Ranch | Butte County | 1 | 1,382 |
| Foresthill | Placer County | 1 | 1,749 |
| Forestville | Sonoma County | 1 | 3,332 |
| Fort Bidwell | Modoc County | 1 | 147 |
| Fort Bragg | Mendocino County | 1 | 7,240 |
| Fort Dick | Del Norte County | 1 | 918 |
| Fort Hunter Liggett | Monterey County | 1 | 327 |
| Fort Irwin | San Bernardino County | 1 | 9,581 |
| Fort Jones | Siskiyou County | 1 | 741 |
| Fort Washington | Fresno County | 1 | 439 |
| Fortuna | Humboldt County | 1 | 11,830 |
| Foster City | San Mateo County | 2 | 30,754 |
| Fountain Valley | Orange County | 1 | 55,595 |
| Fowler | Fresno County | 1 | 5,655 |
| Franklin (Merced County) | Merced County | 2 | 6,077 |
| Franklin (Sacramento County) | Sacramento County | 1 | 8 |
| Frazier Park | Kern County | 1 | 2,575 |
| Freedom | Santa Cruz County | 1 | 3,368 |
| Freeport | Sacramento County | 2 | 63 |
| Fremont | Alameda County | 4 | 215,188 |
| French Camp | San Joaquin County | 1 | 4,421 |
| French Gulch | Shasta County | 1 | 298 |
| French Valley | Riverside County | 3 | 22,855 |
| Fresno | Fresno County | 20 | 495,777 |
| Friant | Fresno County | 1 | 350 |
| Fruitdale | Santa Clara County | 1 | 1,052 |
| Fruitridge Pocket | Sacramento County | 1 | 5,927 |
| Fuller Acres | Kern County | 1 | 677 |
| Fullerton | Orange County | 4 | 135,419 |
| Fulton | Sonoma County | 1 | 644 |
| Furnace Creek | Inyo County | 1 | 138 |
| Galt | Sacramento County | 1 | 23,739 |
| Garberville | Humboldt County | 1 | 713 |
| Garden Acres | San Joaquin County | 1 | 11,325 |
| Garden Farms | San Luis Obispo County | 2 | 269 |
| Garden Grove | Orange County | 5 | 171,377 |
| Garden Valley | El Dorado County | 1 | |
| Gardena | Los Angeles County | 3 | 58,960 |
| Garey | Santa Barbara County | 1 | 191 |
| Garnet | Riverside County | 2 | 5,910 |
| Gasquet | Del Norte County | 1 | 530 |
| Gazelle | Siskiyou County | 1 | 137 |
| Georgetown | El Dorado County | 1 | 2,471 |
| Gerber | Tehama County | 1 | 1,049 |
| Gerber-Las Flores | Tehama County | 1 | |
| Geyserville | Sonoma County | 1 | 1,040 |
| Gilroy | Santa Clara County | 1 | 48,832 |
| Glen Ellen | Sonoma County | 1 | 574 |
| Glencoe | Calaveras County | 1 | |
| Glendale | Los Angeles County | 9 | 192,537 |
| Glendora | Los Angeles County | 2 | 50,247 |
| Glenhaven | Lake County | 1 | |
| Glenn | Glenn County | 1 | |
| Glennville | Kern County | 1 | 54 |
| Gold Mountain | Plumas County | 3 | 31 |
| Gold River | Sacramento County | 2 | 8,319 |
| Gold Run | Placer County | 1 | |
| Golden Hills | Kern County | 1 | 7,808 |
| Goleta | Santa Barbara County | 1 | 29,862 |
| Gonzales | Monterey County | 1 | 8,171 |
| Good Hope | Riverside County | 1 | 9,110 |
| Goodmanville | Kern County | 1 | 84 |
| Goodyears Bar | Sierra County | 1 | 77 |
| Goshen | Tulare County | 1 | 3,697 |
| Graeagle | Plumas County | 1 | 611 |
| Granada Hills | Los Angeles County | 1 | |
| Grand Terrace | San Bernardino County | 1 | 12,140 |
| Grangeville | Kings County | 1 | 466 |
| Granite Bay | Placer County | 1 | 22,204 |
| Granite Hills | San Diego County | 2 | 3,425 |
| Graniteville | Nevada County | 1 | 0 |
| Grass Valley | Nevada County | 2 | 12,818 |
| Graton | Sonoma County | 1 | 1,575 |
| Grayson | Stanislaus County | 1 | 1,371 |
| Greeley Hill | Mariposa County | 2 | 590 |
| Green Acres | Riverside County | 2 | 2,076 |
| Green Valley (Los Angeles County) | Los Angeles County | 2 | 1,129 |
| Green Valley (Solano County) | Solano County | 2 | 1,516 |
| Green Valley Lake | San Bernardino County | 1 | |
| Greenacres | Kern County | 1 | 5,051 |
| Greenbrae | Marin County | 1 | |
| Greenfield | Monterey County | 1 | 16,242 |
| Greenfield (Kern County) | Kern County | 1 | 4,419 |
| Greenhorn | Plumas County | 1 | 104 |
| Greenview | Siskiyou County | 2 | 283 |
| Greenville | Plumas County | 1 | 894 |
| Greenwood | El Dorado County | 1 | |
| Grenada | Siskiyou County | 1 | 310 |
| Gridley | Butte County | 1 | 6,537 |
| Grimes | Colusa County | 1 | 497 |
| Grizzly Flats | El Dorado County | 1 | 878 |
| Groveland | Tuolumne County | 1 | 568 |
| Groveland-Big Oak Flat | Tuolumne County | 1 | |
| Grover Beach | San Luis Obispo County | 1 | 13,194 |
| Guadalupe | Santa Barbara County | 1 | 7,021 |
| Gualala | Mendocino County | 1 | |
| Guasti | San Bernardino County | 1 | |
| Guatay | San Diego County | 1 | |
| Guerneville | Sonoma County | 1 | 3,991 |
| Guinda | Yolo County | 1 | 553 |
| Gustine | Merced County | 1 | 5,518 |
| Hacienda Heights | Los Angeles County | 1 | 56,331 |
| Half Moon Bay | San Mateo County | 1 | 11,372 |
| Hamilton Branch | Plumas County | 2 | 713 |
| Hamilton City | Glenn County | 1 | 1,706 |
| Hanford | Kings County | 1 | 53,695 |
| Happy Camp | Siskiyou County | 1 | 1,255 |
| Happy Valley | Shasta County | 2 | 5,652 |
| Harbison Canyon | San Diego County | 3 | 4,232 |
| Harbor City | Los Angeles County | 1 | |
| Hardwick | Kings County | 1 | 169 |
| Harmony | San Luis Obispo County | 1 | |
| Harmony Grove | San Diego County | 2 | 1,494 |
| Hartland | Tulare County | 2 | 0 |
| Hartley | Solano County | 1 | 2,573 |
| Hasley Canyon | Los Angeles County | 1 | 1,115 |
| Hat Creek | Shasta County | 1 | 160 |
| Hathaway Pines | Calaveras County | 1 | |
| Hawaiian Gardens | Los Angeles County | 1 | 14,311 |
| Hawthorne | Los Angeles County | 1 | 84,633 |
| Hayfork | Trinity County | 1 | 2,389 |
| Hayward | Alameda County | 4 | 145,165 |
| Healdsburg | Sonoma County | 1 | 11,279 |
| Heber | Imperial County | 1 | 5,152 |
| Helendale | San Bernardino County | 1 | |
| Helm | Fresno County | 1 | |
| Hemet | Riverside County | 3 | 78,833 |
| Herald | Sacramento County | 1 | 1,100 |
| Hercules | Contra Costa County | 1 | 23,973 |
| Herlong | Lassen County | 1 | 1,350 |
| Hermosa Beach | Los Angeles County | 1 | 19,535 |
| Hesperia | San Bernardino County | 2 | 89,703 |
| Hickman | Stanislaus County | 1 | 499 |
| Hidden Hills | Los Angeles County | 3 | 1,732 |
| Hidden Meadows | San Diego County | 1 | 3,919 |
| Hidden Valley Lake | Lake County | 1 | 5,679 |
| Highgrove | Riverside County | 4 | 4,296 |
| Highland | San Bernardino County | 1 | 53,190 |
| Highlands | San Mateo County | 2 | 2,985 |
| Highlands-Baywood Park | San Mateo County | 1 | |
| Hillcrest | Kern County | 2 | 11,801 |
| Hillsborough | San Mateo County | 2 | 10,879 |
| Hilmar | Merced County | 1 | |
| Hilmar-Irwin | Merced County | 1 | 4,795 |
| Hinkley | San Bernardino County | 1 | |
| Hiouchi | Del Norte County | 1 | 390 |
| Hollister | San Benito County | 1 | 35,140 |
| Holt | San Joaquin County | 1 | |
| Holtville | Imperial County | 1 | 5,948 |
| Holy City | Santa Clara County | 1 | |
| Home Garden | Kings County | 1 | 1,796 |
| Home Gardens | Riverside County | 3 | 11,165 |
| Homeland | Riverside County | 1 | 6,174 |
| Homestead Valley | San Bernardino County | 2 | 3,055 |
| Homewood | Placer County | 1 | |
| Homewood Canyon | Inyo County | 1 | 85 |
| Homewood Canyon-Valley Wells | Inyo County | 1 | |
| Honcut | Butte County | 2 | 465 |
| Honeydew | Humboldt County | 1 | |
| Hood | Sacramento County | 1 | 244 |
| Hoopa | Humboldt County | 1 | 2,958 |
| Hopland | Mendocino County | 1 | 685 |
| Hornbrook | Siskiyou County | 1 | 316 |
| Hornitos | Mariposa County | 2 | 52 |
| Hughson | Stanislaus County | 1 | 6,581 |
| Humboldt Hill | Humboldt County | 1 | 3,896 |
| Hume | Fresno County | 1 | |
| Huntington Beach | Orange County | 4 | 191,403 |
| Huntington Park | Los Angeles County | 1 | 58,419 |
| Huron | Fresno County | 1 | 6,740 |
| Hyampom | Trinity County | 1 | 257 |
| Hydesville | Humboldt County | 1 | 1,250 |
| Hypericum | Tulare County | 1 | 160 |
| Idlewild | Tulare County | 1 | 29 |
| Idyllwild | Riverside County | 1 | |
| Idyllwild-Pine Cove | Riverside County | 2 | 1,993 |
| Igo | Shasta County | 1 | 148 |
| Imperial | Imperial County | 1 | 14,689 |
| Imperial Beach | San Diego County | 1 | 26,463 |
| Independence | Inyo County | 1 | 534 |
| Indian Falls | Plumas County | 2 | 41 |
| Indian Wells | Riverside County | 1 | 5,008 |
| Indianola | Humboldt County | 2 | 1,066 |
| Indio | Riverside County | 2 | 76,105 |
| Indio Hills | Riverside County | 2 | 1,173 |
| Industry | Los Angeles County | 11 | 435 |
| Inglewood | Los Angeles County | 5 | 110,225 |
| Interlaken | Santa Cruz County | 2 | 7,335 |
| Inverness | Marin County | 1 | 1,257 |
| Inyokern | Kern County | 1 | 1,113 |
| Ione | Amador County | 1 | 7,619 |
| Iron Horse | Plumas County | 2 | 188 |
| Irvine | Orange County | 10 | 213,880 |
| Irwindale | Los Angeles County | 8 | 1,591 |
| Isla Vista | Santa Barbara County | 2 | 24,502 |
| Isleton | Sacramento County | 1 | 799 |
| Ivanhoe | Tulare County | 1 | 4,864 |
| Jackson | Amador County | 1 | 4,611 |
| Jacumba | San Diego County | 1 | 280 |
| Jamestown | Tuolumne County | 1 | 4,029 |
| Jamul | San Diego County | 1 | 5,633 |
| Janesville | Lassen County | 1 | 1,564 |
| Jenner | Sonoma County | 1 | 105 |
| Johannesburg | Kern County | 1 | 183 |
| Johnson Park | Shasta County | 1 | 815 |
| Johnstonville | Lassen County | 1 | 873 |
| Johnsville | Plumas County | 1 | 24 |
| Jolon | Monterey County | 1 | |
| Jones Valley | Shasta County | 2 | 1,269 |
| Joshua Tree | San Bernardino County | 1 | 7,567 |
| Jovista | Tulare County | 1 | 93 |
| Julian | San Diego County | 1 | 1,568 |
| Junction City | Trinity County | 1 | 1,001 |
| June Lake | Mono County | 1 | 418 |
| Jurupa Valley | Riverside County | 1 | 97,673 |
| Kaweah | Tulare County | 1 | |
| Keddie | Plumas County | 1 | 169 |
| Keeler | Inyo County | 1 | 125 |
| Keene | Kern County | 1 | 318 |
| Kelly Ridge | Butte County | 1 | 2,281 |
| Kelseyville | Lake County | 1 | 3,282 |
| Kennedy | San Joaquin County | 3 | 3,829 |
| Kennedy Meadows | Tulare County | 1 | 18 |
| Kensington | Contra Costa County | 4 | 5,169 |
| Kentfield | Marin County | 4 | 6,616 |
| Kenwood | Sonoma County | 1 | 743 |
| Kep'el | Humboldt County | 1 | 26 |
| Kerman | Fresno County | 1 | 13,544 |
| Kernville | Kern County | 1 | 1,487 |
| Keswick | Shasta County | 2 | 331 |
| Kettleman City | Kings County | 1 | 1,291 |
| Keyes | Stanislaus County | 1 | 6,301 |
| King City | Monterey County | 1 | 12,814 |
| Kings Beach | Placer County | 1 | 3,435 |
| Kingsburg | Fresno County | 1 | 11,345 |
| Kingvale | Nevada County | 2 | 189 |
| Kirkwood | Amador County | 2 | 105 |
| Kit Carson | Amador County | 1 | |
| Klamath | Del Norte County | 1 | 1,049 |
| Klamath River | Siskiyou County | 1 | |
| Kneeland | Humboldt County | 1 | |
| Knights Ferry | Stanislaus County | 1 | 62 |
| Knights Landing | Yolo County | 1 | 902 |
| Knightsen | Contra Costa County | 1 | 1,788 |
| Korbel | Humboldt County | 1 | |
| Kyburz | El Dorado County | 1 | |
| La Cañada Flintridge | Los Angeles County | 5 | 20,309 |
| La Crescenta | Los Angeles County | 1 | |
| La Crescenta-Montrose | Los Angeles County | 3 | 20,113 |
| La Cresta | Kern County | 1 | 9,990 |
| La Grange | Stanislaus County | 1 | 143 |
| La Habra | Orange County | 1 | 60,490 |
| La Habra Heights | Los Angeles County | 5 | 5,333 |
| La Honda | San Mateo County | 1 | 923 |
| La Jolla | San Diego County | 1 | |
| La Mesa | San Diego County | 2 | 57,182 |
| La Mirada | Los Angeles County | 2 | 48,568 |
| La Palma | Orange County | 1 | 15,608 |
| La Porte | Plumas County | 1 | 39 |
| La Presa | San Diego County | 5 | 35,777 |
| La Puente | Los Angeles County | 2 | 39,988 |
| La Quinta | Riverside County | 1 | 37,382 |
| La Riviera | Sacramento County | 3 | 10,918 |
| La Selva Beach | Santa Cruz County | 1 | 2,537 |
| La Verne | Los Angeles County | 1 | 31,188 |
| La Vina | Madera County | 1 | 647 |
| Ladera | San Mateo County | 1 | 1,603 |
| Ladera Heights | Los Angeles County | 6 | 7,072 |
| Ladera Ranch | Orange County | 1 | 22,534 |
| Lafayette | Contra Costa County | 1 | 24,073 |
| Laguna | Sacramento County | 1 | |
| Laguna Beach | Orange County | 1 | 22,873 |
| Laguna Hills | Orange County | 1 | 30,556 |
| Laguna Niguel | Orange County | 1 | 63,342 |
| Laguna Woods | Orange County | 1 | 16,315 |
| Lagunitas | Marin County | 1 | |
| Lagunitas-Forest Knolls | Marin County | 4 | 2,058 |
| Lake Almanor Country Club | Plumas County | 2 | 697 |
| Lake Almanor Peninsula | Plumas County | 1 | 368 |
| Lake Almanor West | Plumas County | 1 | 328 |
| Lake Arrowhead | San Bernardino County | 1 | 9,686 |
| Lake California | Tehama County | 2 | 3,074 |
| Lake City | Modoc County | 1 | 47 |
| Lake Davis | Plumas County | 1 | 35 |
| Lake Don Pedro | Mariposa County | 4 | 1,094 |
| Lake Elsinore | Riverside County | 2 | 52,219 |
| Lake Forest | Orange County | 1 | 77,605 |
| Lake Hughes | Los Angeles County | 1 | 575 |
| Lake Isabella | Kern County | 1 | 2,781 |
| Lake Los Angeles | Los Angeles County | 2 | 12,037 |
| Lake Mathews | Riverside County | 3 | 5,224 |
| Lake Nacimiento | San Luis Obispo County | 2 | 2,434 |
| Lake of the Pines | Nevada County | 2 | 3,129 |
| Lake of the Woods | Kern County | 1 | 542 |
| Lake Riverside | Riverside County | 2 | 1,590 |
| Lake San Marcos | San Diego County | 2 | 4,555 |
| Lake Shastina | Siskiyou County | 1 | 2,790 |
| Lake Sherwood | Ventura County | 1 | 1,380 |
| Lake Wildwood | Nevada County | 2 | 5,547 |
| Lakehead | Shasta County | 1 | 493 |
| Lakehead-Lakeshore | Shasta County | 1 | |
| Lakeland Village | Riverside County | 2 | 11,551 |
| Lakeport | Lake County | 1 | 4,759 |
| Lakeshore | Fresno County | 1 | |
| Lakeside (Kern County) | Kern County | 2 | 969 |
| Lakeside (San Diego County) | San Diego County | 2 | 21,191 |
| Lakeview | Riverside County | 2 | 1,526 |
| Lakewood | Los Angeles County | 3 | 80,213 |
| Lamont | Kern County | 1 | 16,092 |
| Lanare | Fresno County | 1 | 553 |
| Lancaster | Los Angeles County | 3 | 155,496 |
| Landers | San Bernardino County | 1 | |
| Larkfield-Wikiup | Sonoma County | 3 | 8,678 |
| Larkspur | Marin County | 1 | 11,952 |
| Las Flores (Orange County) | Orange County | 4 | 6,227 |
| Las Flores (Tehama County) | Tehama County | 1 | 89 |
| Las Lomas | Monterey County | 1 | 2,661 |
| Lathrop | San Joaquin County | 1 | 18,128 |
| Laton | Fresno County | 1 | 1,116 |
| Lawndale | Los Angeles County | 1 | 32,807 |
| Laytonville | Mendocino County | 1 | 1,309 |
| Le Grand | Merced County | 1 | 1,916 |
| Lebec | Kern County | 1 | 1,631 |
| Lee Vining | Mono County | 1 | 353 |
| Leggett | Mendocino County | 1 | 50 |
| Lemon Cove | Tulare County | 1 | 187 |
| Lemon Grove | San Diego County | 1 | 25,446 |
| Lemon Hill | Sacramento County | 1 | 13,587 |
| Lemoore | Kings County | 1 | 24,431 |
| Lemoore Station | Kings County | 2 | 7,190 |
| Lennox | Los Angeles County | 1 | 22,253 |
| Lenwood | San Bernardino County | 1 | 3,535 |
| Leona Valley | Los Angeles County | 2 | 1,931 |
| Lewiston | Trinity County | 1 | 1,548 |
| Lexington Hills | Santa Clara County | 1 | 2,297 |
| Likely | Modoc County | 1 | 15 |
| Lincoln | Placer County | 1 | 42,042 |
| Lincoln Acres | San Diego County | 1 | |
| Lincoln Village | San Joaquin County | 1 | 4,156 |
| Linda | Yuba County | 2 | 17,901 |
| Lindcove | Tulare County | 1 | 395 |
| Linden | San Joaquin County | 1 | 1,814 |
| Lindsay | Tulare County | 1 | 12,110 |
| Linnell Camp | Tulare County | 1 | 525 |
| Litchfield | Lassen County | 1 | 78 |
| Little Grass Valley | Plumas County | 1 | 16 |
| Little Lake | Inyo County | 1 | |
| Little River | Mendocino County | 1 | 324 |
| Little Valley | Lassen County | 1 | 36 |
| Littlerock | Los Angeles County | 1 | 1,269 |
| Live Oak | Sutter County | 1 | 8,413 |
| Live Oak (Santa Cruz County) | Santa Cruz County | 4 | 16,747 |
| Livermore | Alameda County | 2 | 81,086 |
| Livingston | Merced County | 1 | 13,146 |
| Llano | Los Angeles County | 1 | |
| Lockeford | San Joaquin County | 1 | 3,301 |
| Lockwood (Amador County) | Amador County | 2 | 451 |
| Lockwood (Monterey County) | Monterey County | 2 | 212 |
| Lodi | San Joaquin County | 2 | 62,475 |
| Lodoga | Colusa County | 1 | 168 |
| Loleta | Humboldt County | 1 | 791 |
| Loma Linda | San Bernardino County | 2 | 23,239 |
| Loma Mar | San Mateo County | 1 | 84 |
| Loma Rica | Yuba County | 2 | 2,565 |
| Lomita | Los Angeles County | 1 | 20,319 |
| Lompico | Santa Cruz County | 3 | 1,029 |
| Lompoc | Santa Barbara County | 2 | 42,373 |
| London | Tulare County | 2 | 2,018 |
| Lone Pine | Inyo County | 1 | 2,173 |
| Long Barn | Tuolumne County | 1 | 301 |
| Long Beach | Los Angeles County | 12 | 463,589 |
| Lookout | Modoc County | 1 | 3 |
| Loomis | Placer County | 1 | 6,527 |
| Los Alamitos | Orange County | 1 | 11,510 |
| Los Alamos | Santa Barbara County | 1 | 1,558 |
| Los Altos | Santa Clara County | 2 | 29,129 |
| Los Altos Hills | Santa Clara County | 4 | 8,013 |
| Los Angeles | Los Angeles County | 60 | 3,804,503 |
| Los Banos | Merced County | 1 | 35,835 |
| Los Berros | San Luis Obispo County | 1 | 931 |
| Los Gatos | Santa Clara County | 3 | 29,522 |
| Los Molinos | Tehama County | 1 | 2,301 |
| Los Olivos | Santa Barbara County | 1 | 915 |
| Los Osos | San Luis Obispo County | 1 | 14,874 |
| Los Ranchos | San Luis Obispo County | 1 | 1,804 |
| Lost Hills | Kern County | 1 | 2,096 |
| Lotus | El Dorado County | 1 | |
| Lower Lake | Lake County | 1 | 1,371 |
| Loyalton | Sierra County | 1 | 845 |
| Loyola | Santa Clara County | 1 | 3,856 |
| Lucas Valley-Marinwood | Marin County | 3 | 5,870 |
| Lucerne | Lake County | 1 | 3,030 |
| Lucerne Valley | San Bernardino County | 1 | 5,946 |
| Ludlow | San Bernardino County | 1 | |
| Lynwood | Los Angeles County | 1 | 69,871 |
| Lytle Creek | San Bernardino County | 1 | 1,068 |
| Mabie | Plumas County | 2 | 0 |
| Macdoel | Siskiyou County | 1 | 206 |
| Mad River | Trinity County | 1 | 301 |
| Madeline | Lassen County | 1 | 11 |
| Madera | Madera County | 2 | 61,151 |
| Madera Acres | Madera County | 2 | 10,277 |
| Madera Ranchos | Madera County | 1 | 3,591 |
| Madison | Yolo County | 1 | 401 |
| Magalia | Butte County | 1 | 11,420 |
| Malaga | Fresno County | 1 | 654 |
| Malibu | Los Angeles County | 2 | 12,743 |
| Mammoth Lakes | Mono County | 1 | 8,178 |
| Manchester | Mendocino County | 1 | 230 |
| Manhattan Beach | Los Angeles County | 1 | 35,226 |
| Manila | Humboldt County | 1 | 782 |
| Manteca | San Joaquin County | 2 | 67,738 |
| Manton | Tehama County | 1 | 344 |
| March ARB | Riverside County | 6 | 968 |
| Maricopa | Kern County | 1 | 1,189 |
| Marin City | Marin County | 2 | 2,785 |
| Marina | Monterey County | 1 | 19,779 |
| Marina del Rey | Los Angeles County | 1 | 9,087 |
| Mariposa | Mariposa County | 1 | 1,771 |
| Markleeville | Alpine County | 1 | 238 |
| Marshall | Marin County | 1 | |
| Martell | Amador County | 2 | 144 |
| Martinez | Contra Costa County | 1 | 36,054 |
| Marysville | Yuba County | 1 | 12,178 |
| Matheny | Tulare County | 1 | 1,119 |
| Mather | Sacramento County | 1 | 4,752 |
| Maxwell | Colusa County | 1 | 994 |
| Mayfair | Fresno County | 1 | 4,173 |
| Mayflower Village | Los Angeles County | 2 | 5,725 |
| Maywood | Los Angeles County | 1 | 27,487 |
| McArthur | Shasta County | 1 | 249 |
| McClellan Park | Sacramento County | 4 | 776 |
| McClenney Tract | Tulare County | 1 | 7 |
| McCloud | Siskiyou County | 1 | 1,211 |
| McFarland | Kern County | 1 | 12,562 |
| McGee Creek | Mono County | 1 | 123 |
| McKinleyville | Humboldt County | 1 | 16,903 |
| McKittrick | Kern County | 2 | 122 |
| McSwain | Merced County | 2 | 4,252 |
| Mead Valley | Riverside County | 3 | 17,895 |
| Meadow Valley | Plumas County | 1 | 496 |
| Meadow Vista | Placer County | 1 | 3,074 |
| Meadowbrook | Riverside County | 2 | 3,025 |
| Mecca | Riverside County | 1 | 8,805 |
| Meiners Oaks | Ventura County | 1 | 3,739 |
| Mendocino | Mendocino County | 1 | 833 |
| Mendota | Fresno County | 1 | 11,032 |
| Menifee | Riverside County | 4 | 77,437 |
| Menlo Park | San Mateo County | 1 | 32,122 |
| Mentone | San Bernardino County | 1 | 8,495 |
| Merced | Merced County | 3 | 78,953 |
| Meridian | Sutter County | 1 | 380 |
| Mesa | Inyo County | 1 | 448 |
| Mesa Verde | Riverside County | 2 | 1,203 |
| Mesa Vista | Alpine County | 1 | 252 |
| Mettler | Kern County | 1 | 166 |
| Mexican Colony | Kern County | 1 | 120 |
| Meyers | El Dorado County | 1 | 2,396 |
| Mi-Wuk Village | Tuolumne County | 2 | 909 |
| Middletown | Lake County | 1 | 1,580 |
| Midpines | Mariposa County | 1 | 607 |
| Midway City | Orange County | 1 | 8,648 |
| Milford | Lassen County | 1 | 129 |
| Mill Creek | Tehama County | 1 | |
| Mill Valley | Marin County | 1 | 13,931 |
| Millbrae | San Mateo County | 1 | 21,567 |
| Millerton | Fresno County | 1 | 679 |
| Millville | Shasta County | 1 | 845 |
| Milpitas | Santa Clara County | 1 | 66,790 |
| Mineral | Tehama County | 2 | 193 |
| Minkler | Fresno County | 2 | 1,018 |
| Mira Loma | Riverside County | 1 | |
| Mira Monte | Ventura County | 2 | 7,436 |
| Miramonte | Fresno County | 1 | |
| Miranda | Humboldt County | 1 | 149 |
| Mission Canyon | Santa Barbara County | 1 | 2,100 |
| Mission Hills | Santa Barbara County | 1 | 3,723 |
| Mission Viejo | Orange County | 2 | 93,699 |
| Moccasin | Tuolumne County | 1 | |
| Modesto | Stanislaus County | 7 | 201,986 |
| Modjeska | Orange County | 2 | 834 |
| Mohawk Vista | Plumas County | 2 | 48 |
| Mojave | Kern County | 1 | 3,835 |
| Mokelumne Hill | Calaveras County | 1 | 688 |
| Monmouth | Fresno County | 1 | 94 |
| Mono City | Mono County | 1 | 206 |
| Mono Hot Springs | Fresno County | 1 | |
| Mono Vista | Tuolumne County | 2 | 2,462 |
| Monrovia | Los Angeles County | 1 | 36,687 |
| Monson | Tulare County | 1 | 28 |
| Montague | Siskiyou County | 1 | 1,542 |
| Montalvin Manor | Contra Costa County | 1 | 3,041 |
| Montara | San Mateo County | 1 | 2,567 |
| Montclair | San Bernardino County | 1 | 36,960 |
| Monte Rio | Sonoma County | 1 | 1,171 |
| Monte Sereno | Santa Clara County | 3 | 3,383 |
| Montebello | Los Angeles County | 1 | 62,697 |
| Montecito | Santa Barbara County | 3 | 8,540 |
| Monterey | Monterey County | 3 | 28,168 |
| Monterey Park | Los Angeles County | 2 | 60,418 |
| Monterey Park Tract | Stanislaus County | 1 | 353 |
| Montgomery Creek | Shasta County | 1 | 104 |
| Montrose | Los Angeles County | 1 | |
| Monument Hills | Yolo County | 1 | 1,411 |
| Moorpark | Ventura County | 1 | 34,473 |
| Morada | San Joaquin County | 1 | 4,387 |
| Moraga | Contra Costa County | 1 | 16,167 |
| Moreno Valley | Riverside County | 4 | 193,758 |
| Morgan Hill | Santa Clara County | 1 | 38,036 |
| Morongo Valley | San Bernardino County | 1 | 3,682 |
| Morro Bay | San Luis Obispo County | 1 | 10,282 |
| Moskowite Corner | Napa County | 1 | 128 |
| Moss Beach | San Mateo County | 1 | 2,814 |
| Moss Landing | Monterey County | 1 | 266 |
| Mount Baldy | Los Angeles County | 1 | |
| Mount Hebron | Siskiyou County | 1 | 35 |
| Mount Hermon | Santa Cruz County | 1 | 1,115 |
| Mount Laguna | San Diego County | 1 | 12 |
| Mount Shasta | Siskiyou County | 1 | 3,383 |
| Mount Wilson | Los Angeles County | 1 | |
| Mountain Center | Riverside County | 1 | 47 |
| Mountain Gate | Shasta County | 1 | 1,401 |
| Mountain House | San Joaquin County | 1 | 9,996 |
| Mountain Meadows | Kern County | 1 | 251 |
| Mountain Mesa | Kern County | 1 | 459 |
| Mountain Pass | San Bernardino County | 1 | |
| Mountain Ranch | Calaveras County | 1 | 1,600 |
| Mountain View | Santa Clara County | 4 | 74,447 |
| Mountain View (Contra Costa County) | Contra Costa County | 1 | 2,135 |
| Mountain View Acres | San Bernardino County | 1 | 3,531 |
| Mt. Bullion | Mariposa County | 1 | 105 |
| Muir Beach | Marin County | 2 | 326 |
| Murphys | Calaveras County | 1 | 2,012 |
| Murrieta | Riverside County | 2 | 102,345 |
| Murrieta Hot Springs | Riverside County | 1 | |
| Muscoy | San Bernardino County | 1 | 10,662 |
| Myers Flat | Humboldt County | 1 | 57 |
| Myrtletown | Humboldt County | 2 | 4,941 |
| Napa | Napa County | 2 | 77,121 |
| National City | San Diego County | 1 | 58,508 |
| Navarro | Mendocino County | 1 | |
| Nebo Center | San Bernardino County | 1 | |
| Needles | San Bernardino County | 1 | 4,867 |
| Nelson | Butte County | 1 | |
| Nevada City | Nevada County | 1 | 3,066 |
| New Almaden | Santa Clara County | 1 | |
| New Cuyama | Santa Barbara County | 1 | 479 |
| New Pine Creek | Modoc County | 1 | 97 |
| Newark | Alameda County | 1 | 42,712 |
| Newberry Springs | San Bernardino County | 1 | |
| Newbury Park | Ventura County | 1 | |
| Newcastle | Placer County | 1 | 1,247 |
| Newell | Modoc County | 1 | 589 |
| Newhall | Los Angeles County | 1 | |
| Newman | Stanislaus County | 1 | 10,229 |
| Newport Beach | Orange County | 4 | 85,323 |
| Nicasio | Marin County | 1 | 18 |
| Nice | Lake County | 1 | 2,198 |
| Nicolaus | Sutter County | 1 | 166 |
| Niland | Imperial County | 1 | 1,238 |
| Nipinnawasee | Madera County | 1 | 584 |
| Nipomo | San Luis Obispo County | 1 | 16,747 |
| Nipton | San Bernardino County | 1 | |
| Norco | Riverside County | 1 | 27,095 |
| Nord | Butte County | 1 | 179 |
| Norden | Nevada County | 1 | |
| Norris Canyon | Contra Costa County | 2 | 1,013 |
| North Auburn | Placer County | 2 | 13,413 |
| North Edwards | Kern County | 1 | 926 |
| North El Monte | Los Angeles County | 2 | 4,166 |
| North Fair Oaks | San Mateo County | 3 | 14,857 |
| North Fork | Madera County | 1 | 3,306 |
| North Gate | Contra Costa County | 1 | 370 |
| North Highlands | Sacramento County | 1 | 43,663 |
| North Hills | Los Angeles County | 1 | |
| North Hollywood | Los Angeles County | 1 | |
| North Lakeport | Lake County | 2 | 3,394 |
| North Palm Springs | Riverside County | 1 | |
| North Richmond | Contra Costa County | 2 | 3,929 |
| North San Juan | Nevada County | 1 | 181 |
| North Shore | Riverside County | 1 | 2,152 |
| North Tustin | Orange County | 4 | 25,204 |
| Northridge | Los Angeles County | 1 | |
| Norwalk | Los Angeles County | 1 | 105,603 |
| Novato | Marin County | 3 | 51,996 |
| Nubieber | Lassen County | 1 | 12 |
| Nuevo | Riverside County | 1 | 6,310 |
| O'Neals | Madera County | 1 | |
| Oak Glen | San Bernardino County | 3 | 825 |
| Oak Hills | San Bernardino County | 4 | 8,814 |
| Oak Park | Ventura County | 1 | 14,423 |
| Oak Run | Shasta County | 1 | 379 |
| Oak Shores | San Luis Obispo County | 2 | 170 |
| Oak View | Ventura County | 1 | 4,337 |
| Oakdale | Stanislaus County | 1 | 20,663 |
| Oakhurst | Madera County | 1 | 2,577 |
| Oakland | Alameda County | 14 | 392,890 |
| Oakley | Contra Costa County | 1 | 35,535 |
| Oakville | Napa County | 1 | 76 |
| Oasis | Riverside County | 1 | 6,006 |
| Occidental | Sonoma County | 1 | 1,371 |
| Oceano | San Luis Obispo County | 1 | 7,543 |
| Oceanside | San Diego County | 4 | 167,799 |
| Ocotillo | Imperial County | 1 | 275 |
| Oildale | Kern County | 1 | 33,118 |
| Ojai | Ventura County | 1 | 7,499 |
| Olancha | Inyo County | 1 | 248 |
| Old Fig Garden | Fresno County | 2 | 5,698 |
| Old River | Kern County | 1 | 76 |
| Old Station | Shasta County | 1 | 78 |
| Old Stine | Kern County | 2 | 3,477 |
| Olde Stockdale | Kern County | 1 | 839 |
| Olema | Marin County | 1 | |
| Olivehurst | Yuba County | 1 | 14,245 |
| Ono | Shasta County | 1 | 57 |
| Ontario | San Bernardino County | 3 | 165,260 |
| Onyx | Kern County | 1 | 336 |
| Opal Cliffs | Santa Cruz County | 1 | |
| Orange | Orange County | 5 | 136,891 |
| Orange Blossom | Stanislaus County | 1 | 1,155 |
| Orange Cove | Fresno County | 1 | 9,166 |
| Orangevale | Sacramento County | 1 | 33,829 |
| Orcutt | Santa Barbara County | 2 | 29,556 |
| Oregon House | Yuba County | 1 | |
| Orick | Humboldt County | 1 | 313 |
| Orinda | Contra Costa County | 1 | 17,868 |
| Orland | Glenn County | 1 | 7,317 |
| Orleans | Humboldt County | 1 | |
| Oro Grande | San Bernardino County | 1 | |
| Orosi | Tulare County | 1 | 9,195 |
| Oroville | Butte County | 2 | 15,492 |
| Oroville East | Butte County | 2 | 9,130 |
| Oxnard | Ventura County | 4 | 197,456 |
| Pacheco | Contra Costa County | 3 | 4,133 |
| Pacific Grove | Monterey County | 1 | 15,102 |
| Pacific Palisades | Los Angeles County | 1 | |
| Pacifica | San Mateo County | 1 | 37,413 |
| Pacoima | Los Angeles County | 1 | |
| Paicines | San Benito County | 1 | |
| Pajaro | Monterey County | 1 | 3,087 |
| Pajaro Dunes | Santa Cruz County | 2 | 265 |
| Pala | San Diego County | 1 | 999 |
| Palermo | Butte County | 1 | 5,197 |
| Palm Desert | Riverside County | 2 | 48,959 |
| Palm Springs | Riverside County | 2 | 45,115 |
| Palmdale | Los Angeles County | 4 | 151,841 |
| Palo Alto | Santa Clara County | 4 | 64,514 |
| Palo Cedro | Shasta County | 1 | 1,599 |
| Palo Verde | Imperial County | 1 | 16 |
| Palomar Mountain | San Diego County | 1 | |
| Palos Verdes Estates | Los Angeles County | 3 | 13,493 |
| Panorama City | Los Angeles County | 1 | |
| Panorama Heights | Tulare County | 1 | 43 |
| Paradise | Butte County | 1 | 26,258 |
| Paradise (Mono County) | Mono County | 1 | 374 |
| Paradise Park | Santa Cruz County | 2 | 513 |
| Paramount | Los Angeles County | 1 | 54,255 |
| Parker Dam | San Bernardino County | 1 | |
| Parklawn | Stanislaus County | 1 | 887 |
| Parksdale | Madera County | 1 | 2,549 |
| Parkway | Sacramento County | 1 | 14,525 |
| Parkwood | Madera County | 1 | 2,712 |
| Parlier | Fresno County | 1 | 14,439 |
| Pasadena | Los Angeles County | 7 | 137,316 |
| Pasatiempo | Santa Cruz County | 1 | 1,183 |
| Paskenta | Tehama County | 2 | 66 |
| Patterson | Stanislaus County | 1 | 20,113 |
| Patterson Tract | Tulare County | 2 | 1,829 |
| Patton | San Bernardino County | 1 | |
| Patton Village | Lassen County | 2 | 651 |
| Pauma Valley | San Diego County | 1 | |
| Paxton | Plumas County | 1 | 0 |
| Paynes Creek | Tehama County | 1 | 50 |
| Pearblossom | Los Angeles County | 1 | |
| Pearsonville | Inyo County | 2 | 7 |
| Penn Valley | Nevada County | 1 | 1,355 |
| Penngrove | Sonoma County | 1 | 2,778 |
| Penryn | Placer County | 1 | 613 |
| Pepperdine University | Los Angeles County | 2 | 2,764 |
| Perris | Riverside County | 2 | 68,084 |
| Pescadero | San Mateo County | 1 | 765 |
| Petaluma | Sonoma County | 2 | 57,852 |
| Petaluma Center | Sonoma County | 1 | 1,020 |
| Peters | San Joaquin County | 2 | 520 |
| Petrolia | Humboldt County | 1 | |
| Phelan | San Bernardino County | 1 | 13,076 |
| Phillipsville | Humboldt County | 1 | 164 |
| Philo | Mendocino County | 1 | 337 |
| Phoenix Lake | Tuolumne County | 1 | 4,541 |
| Phoenix Lake-Cedar Ridge | Tuolumne County | 1 | |
| Pico Rivera | Los Angeles County | 1 | 63,105 |
| Piedmont | Alameda County | 3 | 10,699 |
| Piedra | Fresno County | 1 | |
| Piercy | Mendocino County | 1 | |
| Pierpoint | Tulare County | 1 | 24 |
| Pike | Sierra County | 2 | 205 |
| Pilot Hill | El Dorado County | 1 | |
| Pine Canyon | Monterey County | 1 | 2,240 |
| Pine Flat | Tulare County | 2 | 142 |
| Pine Grove | Amador County | 1 | 1,891 |
| Pine Hills | Humboldt County | 1 | 2,779 |
| Pine Mountain Club | Kern County | 1 | 1,656 |
| Pine Mountain Lake | Tuolumne County | 2 | 2,680 |
| Pine Valley | San Diego County | 1 | 1,043 |
| Pinecrest | Tuolumne County | 1 | |
| Pinole | Contra Costa County | 1 | 18,505 |
| Piñon Hills | San Bernardino County | 4 | 5,529 |
| Pioneer | Amador County | 1 | 997 |
| Pioneertown | San Bernardino County | 1 | |
| Piru | Ventura County | 1 | 1,825 |
| Pismo Beach | San Luis Obispo County | 1 | 7,721 |
| Pittsburg | Contra Costa County | 1 | 63,612 |
| Pixley | Tulare County | 1 | 2,969 |
| Placentia | Orange County | 1 | 50,616 |
| Placerville | El Dorado County | 1 | 10,359 |
| Plainview | Tulare County | 1 | 1,033 |
| Planada | Merced County | 1 | 4,858 |
| Platina | Shasta County | 1 | 23 |
| Pleasant Grove | Sutter County | 1 | |
| Pleasant Hill | Contra Costa County | 1 | 33,255 |
| Pleasanton | Alameda County | 2 | 70,329 |
| Pleasure Point | Santa Cruz County | 2 | 5,254 |
| Plumas Eureka | Plumas County | 1 | 211 |
| Plumas Lake | Yuba County | 2 | 6,141 |
| Plymouth | Amador County | 1 | 1,328 |
| Point Arena | Mendocino County | 1 | 466 |
| Point Reyes Station | Marin County | 1 | 871 |
| Pollock Pines | El Dorado County | 1 | 6,392 |
| Pomona | Los Angeles County | 3 | 149,431 |
| Ponderosa | Tulare County | 1 | 48 |
| Pope Valley | Napa County | 1 | |
| Poplar-Cotton Center | Tulare County | 1 | 2,202 |
| Port Costa | Contra Costa County | 1 | 361 |
| Port Hueneme | Ventura County | 1 | 21,733 |
| Porterville | Tulare County | 1 | 54,038 |
| Portola | Plumas County | 1 | 2,679 |
| Portola Valley | San Mateo County | 1 | 4,379 |
| Posey | Tulare County | 1 | 5 |
| Poso Park | Tulare County | 1 | 0 |
| Post Mountain | Trinity County | 1 | 82 |
| Potomac Park | Kern County | 2 | 10,833 |
| Potrero | San Diego County | 1 | 1,021 |
| Potter Valley | Mendocino County | 1 | 694 |
| Poway | San Diego County | 1 | 48,113 |
| Prather | Fresno County | 1 | |
| Prattville | Plumas County | 1 | 25 |
| Princeton | Colusa County | 1 | 222 |
| Proberta | Tehama County | 2 | 257 |
| Prunedale | Monterey County | 6 | 19,177 |
| Pumpkin Center | Kern County | 1 | 169 |
| Quail Valley | Riverside County | 1 | |
| Quartz Hill | Los Angeles County | 1 | 11,137 |
| Quincy | Plumas County | 1 | 1,385 |
| Rackerby | Butte County | 2 | 278 |
| Rail Road Flat | Calaveras County | 2 | 433 |
| Rainbow | San Diego County | 1 | 1,923 |
| Raisin City | Fresno County | 1 | 335 |
| Ramona | San Diego County | 1 | 21,565 |
| Ranchita | San Diego County | 1 | |
| Rancho Calaveras | Calaveras County | 1 | 6,223 |
| Rancho Cordova | Sacramento County | 2 | 65,136 |
| Rancho Cucamonga | San Bernardino County | 4 | 165,775 |
| Rancho Mirage | Riverside County | 1 | 17,215 |
| Rancho Mission Viejo | Orange County | 4 | 7,816 |
| Rancho Murieta | Sacramento County | 1 | 6,122 |
| Rancho Palos Verdes | Los Angeles County | 1 | 41,793 |
| Rancho San Diego | San Diego County | 4 | 21,435 |
| Rancho Santa Fe | San Diego County | 2 | 2,908 |
| Rancho Santa Margarita | Orange County | 1 | 48,081 |
| Rancho Tehama Reserve | Tehama County | 2 | 1,587 |
| Randsburg | Kern County | 1 | 30 |
| Ravendale | Lassen County | 1 | |
| Raymond | Madera County | 1 | |
| Red Bluff | Tehama County | 1 | 14,063 |
| Red Corral | Amador County | 2 | 1,701 |
| Red Mountain | San Bernardino County | 1 | |
| Redcrest | Humboldt County | 1 | 59 |
| Redding | Shasta County | 3 | 90,088 |
| Redlands | San Bernardino County | 2 | 69,078 |
| Redondo Beach | Los Angeles County | 2 | 66,800 |
| Redway | Humboldt County | 1 | 830 |
| Redwood City | San Mateo County | 4 | 77,036 |
| Redwood Estates | Santa Clara County | 1 | |
| Redwood Valley | Mendocino County | 1 | 1,810 |
| Reedley | Fresno County | 1 | 24,304 |
| Reliez Valley | Contra Costa County | 4 | 3,337 |
| Rescue | El Dorado County | 1 | |
| Reseda | Los Angeles County | 1 | |
| Rexland Acres | Kern County | 1 | 3,487 |
| Rialto | San Bernardino County | 2 | 100,009 |
| Richfield | Tehama County | 1 | 288 |
| Richgrove | Tulare County | 1 | 2,895 |
| Richmond | Contra Costa County | 3 | 104,225 |
| Richvale | Butte County | 1 | 144 |
| Ridgecrest | Kern County | 1 | 27,776 |
| Ridgecrest Heights | Kern County | 1 | 193 |
| Ridgemark | San Benito County | 1 | 3,285 |
| Rimforest | San Bernardino County | 1 | |
| Rio del Mar | Santa Cruz County | 2 | 8,993 |
| Rio Dell | Humboldt County | 1 | 3,357 |
| Rio Linda | Sacramento County | 1 | 14,472 |
| Rio Nido | Sonoma County | 1 | |
| Rio Oso | Sutter County | 1 | 322 |
| Rio Vista | Solano County | 1 | 7,266 |
| Ripley | Riverside County | 1 | 641 |
| Ripon | San Joaquin County | 1 | 14,268 |
| River Pines | Amador County | 3 | 627 |
| Riverbank | Stanislaus County | 1 | 22,658 |
| Riverdale | Fresno County | 1 | 3,642 |
| Riverdale Park | Stanislaus County | 1 | 977 |
| Rivergrove | Kern County | 1 | 51 |
| Riverside | Riverside County | 8 | 306,128 |
| Robbins | Sutter County | 1 | 305 |
| Robinson Mill | Butte County | 1 | 140 |
| Rocklin | Placer County | 2 | 57,013 |
| Rodeo | Contra Costa County | 1 | 8,867 |
| Rodriguez Camp | Tulare County | 1 | 277 |
| Rohnert Park | Sonoma County | 1 | 40,895 |
| Rolling Hills | Los Angeles County | 2 | 1,733 |
| Rolling Hills (Madera County) | Madera County | 1 | 975 |
| Rolling Hills Estates | Los Angeles County | 4 | 8,078 |
| Rollingwood | Contra Costa County | 1 | 2,820 |
| Romoland | Riverside County | 3 | 1,564 |
| Rosamond | Kern County | 1 | 18,015 |
| Rose Hills | Los Angeles County | 1 | 3,116 |
| Rosedale | Kern County | 2 | 15,301 |
| Rosemead | Los Angeles County | 1 | 53,890 |
| Rosemont | Sacramento County | 2 | 22,750 |
| Roseville | Placer County | 3 | 119,537 |
| Ross | Marin County | 1 | 2,127 |
| Rossmoor | Orange County | 2 | 10,294 |
| Rough and Ready | Nevada County | 1 | 1,176 |
| Round Mountain | Shasta County | 3 | 103 |
| Round Valley | Inyo County | 1 | 409 |
| Rouse | Stanislaus County | 1 | 1,654 |
| Rowland Heights | Los Angeles County | 1 | 50,553 |
| Rumsey | Yolo County | 1 | 107 |
| Running Springs | San Bernardino County | 1 | 5,121 |
| Ruth | Trinity County | 3 | 104 |
| Rutherford | Napa County | 2 | 182 |
| Ryde | Sacramento County | 1 | |
| Sacramento | Sacramento County | 24 | 467,467 |
| Sage | Riverside County | 4 | 2,814 |
| Salida | Stanislaus County | 1 | 14,357 |
| Salinas | Monterey County | 5 | 150,634 |
| Salmon Creek | Sonoma County | 1 | 72 |
| Salton City | Imperial County | 1 | 2,821 |
| Salton Sea Beach | Imperial County | 1 | 551 |
| Salyer | Trinity County | 1 | 433 |
| Samoa | Humboldt County | 1 | 372 |
| San Andreas | Calaveras County | 1 | 3,015 |
| San Anselmo | Marin County | 1 | 12,363 |
| San Antonio Heights | San Bernardino County | 2 | 3,704 |
| San Ardo | Monterey County | 1 | 662 |
| San Bernardino | San Bernardino County | 8 | 210,624 |
| San Bruno | San Mateo County | 1 | 41,214 |
| San Buenaventura (Ventura) | Ventura County | 4 | 106,273 |
| San Carlos | San Mateo County | 1 | 28,455 |
| San Clemente | Orange County | 2 | 63,187 |
| San Diego | San Diego County | 38 | 1,308,619 |
| San Diego Country Estates | San Diego County | 1 | 10,044 |
| San Dimas | Los Angeles County | 1 | 33,514 |
| San Fernando | Los Angeles County | 1 | 23,703 |
| San Francisco | San Francisco County | 28 | 807,755 |
| San Gabriel | Los Angeles County | 2 | 39,809 |
| San Geronimo | Marin County | 1 | 482 |
| San Gregorio | San Mateo County | 1 | |
| San Jacinto | Riverside County | 2 | 43,745 |
| San Joaquin | Fresno County | 1 | 3,974 |
| San Jose | Santa Clara County | 30 | 954,379 |
| San Juan Bautista | San Benito County | 1 | 1,629 |
| San Juan Capistrano | Orange County | 1 | 34,736 |
| San Leandro | Alameda County | 3 | 84,966 |
| San Lorenzo | Alameda County | 1 | 23,937 |
| San Lucas | Monterey County | 1 | 207 |
| San Luis Obispo | San Luis Obispo County | 4 | 45,328 |
| San Luis Rey | San Diego County | 1 | |
| San Marcos | San Diego County | 3 | 83,028 |
| San Marino | Los Angeles County | 1 | 13,172 |
| San Martin | Santa Clara County | 1 | 7,231 |
| San Mateo | San Mateo County | 4 | 97,322 |
| San Miguel (Contra Costa County) | Contra Costa County | 1 | 3,223 |
| San Miguel (San Luis Obispo County) | San Luis Obispo County | 2 | 2,822 |
| San Pablo | Contra Costa County | 1 | 29,298 |
| San Pasqual | Los Angeles County | 1 | 2,173 |
| San Pedro | Los Angeles County | 1 | |
| San Quentin | Marin County | 1 | |
| San Rafael | Marin County | 2 | 57,789 |
| San Ramon | Contra Costa County | 2 | 71,213 |
| San Simeon | San Luis Obispo County | 1 | 513 |
| San Ysidro | San Diego County | 1 | |
| Sand City | Monterey County | 1 | 264 |
| Sanger | Fresno County | 1 | 24,120 |
| Santa Ana | Orange County | 6 | 326,608 |
| Santa Barbara | Santa Barbara County | 7 | 88,572 |
| Santa Clara | Santa Clara County | 4 | 116,301 |
| Santa Clarita | Los Angeles County | 2 | 175,922 |
| Santa Cruz | Santa Cruz County | 4 | 60,319 |
| Santa Fe Springs | Los Angeles County | 1 | 16,451 |
| Santa Margarita | San Luis Obispo County | 1 | 1,556 |
| Santa Maria | Santa Barbara County | 3 | 98,715 |
| Santa Monica | Los Angeles County | 5 | 90,008 |
| Santa Nella | Merced County | 2 | 999 |
| Santa Paula | Ventura County | 1 | 29,461 |
| Santa Rita Park | Merced County | 1 | |
| Santa Rosa | Sonoma County | 6 | 167,207 |
| Santa Rosa Valley | Ventura County | 3 | 3,067 |
| Santa Susana | Ventura County | 1 | 1,192 |
| Santa Venetia | Marin County | 1 | 4,807 |
| Santa Ynez | Santa Barbara County | 1 | 4,696 |
| Santa Ysabel | San Diego County | 1 | |
| Santee | San Diego County | 1 | 53,926 |
| Saranap | Contra Costa County | 2 | 5,064 |
| Saratoga | Santa Clara County | 1 | 30,059 |
| Saticoy | Ventura County | 1 | 1,018 |
| Sattley | Sierra County | 2 | 86 |
| Sausalito | Marin County | 1 | 6,998 |
| Scotia | Humboldt County | 1 | 807 |
| Scott Bar | Siskiyou County | 1 | |
| Scotts Valley | Santa Cruz County | 1 | 11,532 |
| Sea Ranch | Sonoma County | 5 | 762 |
| Seacliff | Santa Cruz County | 1 | 3,133 |
| Seal Beach | Orange County | 1 | 24,308 |
| Searles Valley | San Bernardino County | 1 | 1,733 |
| Seaside | Monterey County | 1 | 33,050 |
| Sebastopol | Sonoma County | 1 | 7,411 |
| Seeley | Imperial County | 1 | 1,420 |
| Seiad Valley | Siskiyou County | 1 | |
| Selma | Fresno County | 1 | 23,251 |
| Sequoia Crest | Tulare County | 1 | 24 |
| Sereno del Mar | Sonoma County | 2 | 138 |
| Seville | Tulare County | 1 | 569 |
| Shafter | Kern County | 1 | 16,940 |
| Shandon | San Luis Obispo County | 1 | 1,065 |
| Shasta | Shasta County | 1 | 1,898 |
| Shasta Lake | Shasta County | 2 | 10,173 |
| Shaver Lake | Fresno County | 1 | 747 |
| Shell Ridge | Contra Costa County | 1 | 882 |
| Shelter Cove | Humboldt County | 1 | 592 |
| Sheridan | Placer County | 1 | 1,305 |
| Sherman Oaks | Los Angeles County | 1 | |
| Shingle Springs | El Dorado County | 1 | 4,851 |
| Shingletown | Shasta County | 1 | 2,137 |
| Shoshone | Inyo County | 1 | 54 |
| Sierra Brooks | Sierra County | 2 | 282 |
| Sierra City | Sierra County | 1 | 300 |
| Sierra Madre | Los Angeles County | 1 | 10,939 |
| Sierra Village | Tuolumne County | 2 | 185 |
| Sierraville | Sierra County | 1 | 128 |
| Signal Hill | Los Angeles County | 1 | 10,963 |
| Silver City | Tulare County | 1 | 0 |
| Silver Lakes | San Bernardino County | 1 | 5,153 |
| Silverado | Orange County | 1 | 740 |
| Silverado Resort | Napa County | 1 | 1,123 |
| Simi Valley | Ventura County | 2 | 123,942 |
| Sisquoc | Santa Barbara County | 1 | 247 |
| Sky Valley | Riverside County | 3 | 2,075 |
| Skyforest | San Bernardino County | 1 | |
| Sleepy Hollow | Marin County | 4 | 2,526 |
| Sloughhouse | Sacramento County | 1 | |
| Smartsville | Yuba County | 1 | 228 |
| Smith Corner | Kern County | 1 | 354 |
| Smith River | Del Norte County | 1 | 911 |
| Snelling | Merced County | 1 | 112 |
| Soda Bay | Lake County | 1 | 1,223 |
| Soda Springs | Nevada County | 1 | 93 |
| Solana Beach | San Diego County | 1 | 12,931 |
| Soledad | Monterey County | 1 | 25,892 |
| Solvang | Santa Barbara County | 1 | 5,261 |
| Somerset | El Dorado County | 1 | |
| Somes Bar | Siskiyou County | 1 | |
| Somis | Ventura County | 1 | 1,189 |
| Sonoma | Sonoma County | 1 | 10,602 |
| Sonoma State University | Sonoma County | 1 | 1,407 |
| Sonora | Tuolumne County | 1 | 4,895 |
| Soquel | Santa Cruz County | 1 | 9,919 |
| Soulsbyville | Tuolumne County | 1 | 1,883 |
| South Dos Palos | Merced County | 2 | 1,993 |
| South El Monte | Los Angeles County | 1 | 20,210 |
| South Gate | Los Angeles County | 1 | 94,703 |
| South Lake Tahoe | El Dorado County | 1 | 21,593 |
| South Monrovia Island | Los Angeles County | 2 | 6,140 |
| South Oroville | Butte County | 1 | 6,223 |
| South Pasadena | Los Angeles County | 1 | 25,603 |
| South San Francisco | San Mateo County | 1 | 63,742 |
| South San Gabriel | Los Angeles County | 2 | 7,922 |
| South San Jose Hills | Los Angeles County | 2 | 19,955 |
| South Taft | Kern County | 1 | 2,190 |
| South Whittier | Los Angeles County | 3 | 58,311 |
| South Woodbridge | San Joaquin County | 1 | |
| Spaulding | Lassen County | 1 | 199 |
| Spreckels | Monterey County | 1 | 931 |
| Spring Garden | Plumas County | 1 | 0 |
| Spring Valley (Lake County) | Lake County | 1 | 1,278 |
| Spring Valley (San Diego County) | San Diego County | 5 | 28,711 |
| Spring Valley Lake | San Bernardino County | 3 | 8,636 |
| Springville | Tulare County | 1 | 1,106 |
| Squaw Valley | Fresno County | 1 | 1,833 |
| Squirrel Mountain Valley | Kern County | 1 | 560 |
| St. Helena | Napa County | 3 | 5,846 |
| Stallion Springs | Kern County | 1 | 3,377 |
| Standard | Tuolumne County | 1 | |
| Standish | Lassen County | 1 | |
| Stanford | Santa Clara County | 1 | 13,523 |
| Stanton | Orange County | 1 | 38,363 |
| Stebbins | Kern County | 1 | 963 |
| Stevenson Ranch | Los Angeles County | 1 | 18,040 |
| Stevinson | Merced County | 1 | 189 |
| Stewarts Point | Sonoma County | 1 | |
| Stinson Beach | Marin County | 1 | 439 |
| Stirling City | Butte County | 1 | 95 |
| Stockton | San Joaquin County | 12 | 292,262 |
| Stones Landing | Lassen County | 1 | 102 |
| Stonyford | Colusa County | 1 | 118 |
| Storrie | Plumas County | 1 | |
| Stratford | Kings County | 1 | 1,246 |
| Strathmore | Tulare County | 1 | 3,548 |
| Strawberry (Marin County) | Marin County | 3 | 5,782 |
| Strawberry (Tuolumne County) | Tuolumne County | 1 | 179 |
| Strawberry Valley | Yuba County | 1 | |
| Studio City | Los Angeles County | 1 | |
| Sugarloaf | San Bernardino County | 1 | |
| Sugarloaf Saw Mill | Tulare County | 1 | 0 |
| Sugarloaf Village | Tulare County | 1 | 11 |
| Suisun City | Solano County | 1 | 28,150 |
| Sultana | Tulare County | 1 | 424 |
| Summerland | Santa Barbara County | 1 | 1,462 |
| Sun City | Riverside County | 1 | |
| Sun Valley | Los Angeles County | 1 | |
| Sun Village | Los Angeles County | 3 | 10,963 |
| Sunland | Los Angeles County | 1 | |
| Sunny Slopes | Mono County | 2 | 154 |
| Sunnyside | Fresno County | 1 | 4,006 |
| Sunnyside-Tahoe City | Placer County | 1 | 1,797 |
| Sunnyslope | Riverside County | 1 | |
| Sunnyvale | Santa Clara County | 4 | 141,123 |
| Sunol | Alameda County | 1 | 828 |
| Sunol-Midtown | Santa Clara County | 1 | |
| Sunset Beach | Orange County | 1 | |
| Surfside | Orange County | 1 | |
| Susanville | Lassen County | 1 | 17,384 |
| Sutter | Sutter County | 1 | 2,788 |
| Sutter Creek | Amador County | 1 | 2,458 |
| Swall Meadows | Mono County | 1 | 358 |
| Sylmar | Los Angeles County | 1 | |
| Taft | Kern County | 1 | 9,264 |
| Taft Heights | Kern County | 1 | 2,016 |
| Taft Mosswood | San Joaquin County | 1 | 1,486 |
| Tahoe City | Placer County | 1 | |
| Tahoe Vista | Placer County | 1 | 1,275 |
| Tahoma | Placer County | 1 | 965 |
| Talmage | Mendocino County | 1 | 934 |
| Tamalpais-Homestead Valley | Marin County | 2 | 10,945 |
| Tancred | Yolo County | 3 | 19 |
| Tara Hills | Contra Costa County | 2 | 4,523 |
| Tarina | Kern County | 2 | 0 |
| Tarpey Village | Fresno County | 3 | 3,477 |
| Tarzana | Los Angeles County | 1 | |
| Taylorsville | Plumas County | 1 | 121 |
| Tecate | San Diego County | 1 | |
| Tecopa | Inyo County | 1 | 82 |
| Tehachapi | Kern County | 1 | 14,168 |
| Tehama | Tehama County | 1 | 419 |
| Temecula | Riverside County | 3 | 100,621 |
| Temelec | Sonoma County | 1 | 1,415 |
| Temescal Valley | Riverside County | 3 | 23,090 |
| Temple City | Los Angeles County | 1 | 35,609 |
| Templeton | San Luis Obispo County | 1 | 7,200 |
| Tennant | Siskiyou County | 1 | 76 |
| Terminous | San Joaquin County | 1 | 373 |
| Termo | Lassen County | 1 | |
| Terra Bella | Tulare County | 1 | 3,105 |
| Teviston | Tulare County | 2 | 1,577 |
| Thermal | Riverside County | 1 | 3,700 |
| Thermalito | Butte County | 1 | 6,529 |
| Thornton | San Joaquin County | 1 | 809 |
| Thousand Oaks | Ventura County | 2 | 126,570 |
| Thousand Palms | Riverside County | 1 | 7,558 |
| Three Rivers | Tulare County | 1 | 2,263 |
| Three Rocks | Fresno County | 1 | 205 |
| Tiburon | Marin County | 2 | 8,959 |
| Tierra Buena | Sutter County | 1 | |
| Timber Cove | Sonoma County | 2 | 125 |
| Tipton | Tulare County | 1 | 1,940 |
| Tobin | Plumas County | 2 | 11 |
| Tollhouse | Fresno County | 1 | |
| Tomales | Marin County | 1 | 216 |
| Tonyville | Tulare County | 1 | 282 |
| Tooleville | Tulare County | 1 | 168 |
| Topanga | Los Angeles County | 1 | 9,055 |
| Topaz | Mono County | 1 | 69 |
| Toro Canyon | Santa Barbara County | 3 | 1,422 |
| Torrance | Los Angeles County | 4 | 145,443 |
| Trabuco Canyon | Orange County | 1 | 1,281 |
| Tracy | San Joaquin County | 3 | 82,481 |
| Tranquillity | Fresno County | 1 | 990 |
| Traver | Tulare County | 1 | 967 |
| Tres Pinos | San Benito County | 1 | 348 |
| Trinidad | Humboldt County | 1 | 281 |
| Trinity Center | Trinity County | 1 | 197 |
| Trinity Village | Trinity County | 1 | 200 |
| Trona | Inyo County | 1 | 0 |
| Trowbridge | Sutter County | 2 | 180 |
| Truckee | Nevada County | 1 | 16,100 |
| Tujunga | Los Angeles County | 1 | |
| Tulare | Tulare County | 1 | 59,117 |
| Tulelake | Siskiyou County | 1 | 981 |
| Tuolumne | Tuolumne County | 1 | |
| Tuolumne City | Tuolumne County | 1 | 2,267 |
| Tupman | Kern County | 1 | 160 |
| Turlock | Stanislaus County | 2 | 68,576 |
| Tustin | Orange County | 2 | 75,712 |
| Tuttle | Merced County | 2 | 17 |
| Tuttletown | Tuolumne County | 2 | 1,132 |
| Twain | Plumas County | 1 | 44 |
| Twain Harte | Tuolumne County | 1 | 2,143 |
| Twentynine Palms | San Bernardino County | 2 | 25,531 |
| Twin Bridges | El Dorado County | 1 | |
| Twin Lakes (Mono County) | Mono County | 1 | 117 |
| Twin Lakes (Santa Cruz County) | Santa Cruz County | 1 | 5,147 |
| Twin Peaks | San Bernardino County | 1 | |
| Ukiah | Mendocino County | 1 | 15,962 |
| Union City | Alameda County | 1 | 69,820 |
| Universal City | Los Angeles County | 1 | |
| University of California-Davis | Yolo County | 1 | 7,214 |
| University of California-Merced | Merced County | 1 | 0 |
| University of California-Santa Barbara | Santa Barbara County | 2 | 11,671 |
| Upland | San Bernardino County | 2 | 74,192 |
| Upper Lake | Lake County | 1 | 849 |
| Vacaville | Solano County | 2 | 92,672 |
| Val Verde | Los Angeles County | 1 | 2,442 |
| Valencia | Los Angeles County | 1 | |
| Valinda | Los Angeles County | 4 | 22,164 |
| Valle Vista | Riverside County | 2 | 14,991 |
| Vallecito | Calaveras County | 1 | 674 |
| Vallejo | Solano County | 4 | 116,417 |
| Valley Acres | Kern County | 1 | 717 |
| Valley Center | San Diego County | 1 | 9,454 |
| Valley Ford | Sonoma County | 1 | 68 |
| Valley Home | Stanislaus County | 1 | 339 |
| Valley Ranch | Plumas County | 2 | 82 |
| Valley Springs | Calaveras County | 1 | 3,619 |
| Valley Wells | Inyo County | 1 | 0 |
| Valyermo | Los Angeles County | 1 | |
| Van Nuys | Los Angeles County | 1 | |
| Vandenberg AFB | Santa Barbara County | 3 | 3,632 |
| Vandenberg Village | Santa Barbara County | 1 | 6,759 |
| Venice | Los Angeles County | 1 | |
| Verdi | Sierra County | 1 | 145 |
| Verdugo City | Los Angeles County | 1 | |
| Vernalis | San Joaquin County | 1 | |
| Vernon | Los Angeles County | 6 | 59 |
| Victor | San Joaquin County | 1 | 395 |
| Victorville | San Bernardino County | 3 | 115,069 |
| Vidal | San Bernardino County | 1 | |
| View Park-Windsor Hills | Los Angeles County | 3 | 10,948 |
| Villa Grande | Sonoma County | 1 | |
| Villa Park | Orange County | 1 | 5,843 |
| Vina | Tehama County | 1 | 109 |
| Vincent | Los Angeles County | 4 | 16,240 |
| Vine Hill | Contra Costa County | 1 | 3,826 |
| Vineburg | Sonoma County | 1 | |
| Vineyard | Sacramento County | 3 | 26,112 |
| Vinton | Plumas County | 1 | |
| Virginia Lakes | Mono County | 2 | 0 |
| Visalia | Tulare County | 3 | 123,905 |
| Vista | San Diego County | 3 | 94,145 |
| Vista Santa Rosa | Riverside County | 3 | 2,888 |
| Volcano | Amador County | 1 | 179 |
| Volta | Merced County | 1 | 128 |
| Walker | Mono County | 1 | 717 |
| Wallace | Calaveras County | 1 | 495 |
| Walnut | Los Angeles County | 1 | 29,431 |
| Walnut Creek | Contra Costa County | 4 | 64,515 |
| Walnut Grove | Sacramento County | 1 | 1,569 |
| Walnut Park | Los Angeles County | 2 | 16,066 |
| Warm Springs | Riverside County | 3 | 2,933 |
| Warner Springs | San Diego County | 1 | |
| Warner Valley | Plumas County | 1 | 5 |
| Wasco | Kern County | 1 | 25,541 |
| Washington | Nevada County | 1 | 19 |
| Waterford | Stanislaus County | 1 | 8,432 |
| Waterloo | San Joaquin County | 2 | 251 |
| Watsonville | Santa Cruz County | 1 | 50,945 |
| Waukena | Tulare County | 1 | 184 |
| Wautec | Humboldt County | 1 | 15 |
| Wawona | Mariposa County | 1 | 187 |
| Weaverville | Trinity County | 1 | 3,328 |
| Weed | Siskiyou County | 1 | 2,966 |
| Weedpatch | Kern County | 2 | 2,528 |
| Weimar | Placer County | 1 | |
| Weitchpec | Humboldt County | 2 | 58 |
| Weldon | Kern County | 1 | 2,661 |
| Wendel | Lassen County | 1 | |
| Weott | Humboldt County | 2 | 59 |
| West Athens | Los Angeles County | 3 | 8,794 |
| West Bishop | Inyo County | 1 | 2,730 |
| West Carson | Los Angeles County | 4 | 20,682 |
| West Covina | Los Angeles County | 3 | 106,290 |
| West Goshen | Tulare County | 1 | 561 |
| West Hollywood | Los Angeles County | 1 | 34,572 |
| West Menlo Park | San Mateo County | 2 | 3,957 |
| West Modesto | Stanislaus County | 2 | 6,337 |
| West Park | Fresno County | 1 | 868 |
| West Point | Calaveras County | 1 | 837 |
| West Puente Valley | Los Angeles County | 2 | 22,758 |
| West Rancho Dominguez | Los Angeles County | 5 | 20,642 |
| West Sacramento | Yolo County | 2 | 48,286 |
| West Whittier-Los Nietos | Los Angeles County | 1 | 25,434 |
| Westhaven-Moonstone | Humboldt County | 1 | 938 |
| Westlake Village | Los Angeles County | 1 | 8,307 |
| Westley | Stanislaus County | 1 | 1,010 |
| Westminster | Orange County | 1 | 89,970 |
| Westmont | Los Angeles County | 3 | 30,483 |
| Westmorland | Imperial County | 1 | 1,603 |
| Westport | Mendocino County | 1 | |
| Westside | Fresno County | 1 | 279 |
| Westwood | Lassen County | 1 | 1,445 |
| Wheatland | Yuba County | 1 | 3,442 |
| Whiskeytown | Shasta County | 1 | |
| Whitehawk | Plumas County | 2 | 34 |
| Whitethorn | Humboldt County | 1 | |
| Whitewater | Riverside County | 1 | 466 |
| Whitley Gardens | San Luis Obispo County | 1 | 219 |
| Whitmore | Shasta County | 1 | 416 |
| Whittier | Los Angeles County | 6 | 85,423 |
| Wildomar | Riverside County | 1 | 32,101 |
| Wilkerson | Inyo County | 1 | 607 |
| Williams | Colusa County | 1 | 5,084 |
| Williams Canyon | Orange County | 1 | 108 |
| Willits | Mendocino County | 1 | 4,881 |
| Willow Creek | Humboldt County | 1 | 1,451 |
| Willowbrook | Los Angeles County | 2 | 19,554 |
| Willows | Glenn County | 1 | 6,173 |
| Wilmington | Los Angeles County | 1 | |
| Wilseyville | Calaveras County | 1 | |
| Wilsonia | Tulare County | 2 | 0 |
| Wilton | Sacramento County | 1 | 3,999 |
| Winchester | Riverside County | 1 | 2,835 |
| Windsor | Sonoma County | 1 | 26,597 |
| Winnetka | Los Angeles County | 1 | |
| Winter Gardens | San Diego County | 3 | 21,092 |
| Winterhaven | Imperial County | 1 | 324 |
| Winters | Yolo County | 1 | 6,724 |
| Winton | Merced County | 1 | 11,269 |
| Wofford Heights | Kern County | 1 | 2,005 |
| Woodacre | Marin County | 1 | 1,368 |
| Woodbridge | San Joaquin County | 1 | 3,787 |
| Woodcrest | Riverside County | 5 | 14,819 |
| Woodlake | Tulare County | 1 | 7,289 |
| Woodland | Yolo County | 2 | 55,585 |
| Woodland Hills | Los Angeles County | 1 | |
| Woodlands | San Luis Obispo County | 1 | 428 |
| Woodside | San Mateo County | 4 | 5,329 |
| Woodville | Tulare County | 2 | 2,070 |
| Woodville Farm Labor Camp | Tulare County | 1 | 701 |
| Woody | Kern County | 1 | 67 |
| Wrightwood | San Bernardino County | 1 | 4,623 |
| Yankee Hill | Butte County | 1 | 224 |
| Yermo | San Bernardino County | 1 | 1,082 |
| Yettem | Tulare County | 2 | 259 |
| Yolo | Yolo County | 1 | 462 |
| Yorba Linda | Orange County | 2 | 64,699 |
| Yorkville | Mendocino County | 1 | |
| Yosemite Lakes | Madera County | 2 | 4,609 |
| Yosemite Valley | Mariposa County | 1 | 882 |
| Yosemite West | Mariposa County | 1 | 33 |
| Yountville | Napa County | 1 | 2,963 |
| Yreka | Siskiyou County | 1 | 7,732 |
| Yuba City | Sutter County | 2 | 64,641 |
| Yucaipa | San Bernardino County | 1 | 51,319 |
| Yucca Valley | San Bernardino County | 1 | 20,712 |
| Zamora | Yolo County | 1 | |
| Zayante | Santa Cruz County | 2 | 790 |
| Zenia | Trinity County | 1 | |