ZIP Code 91311 - Chatsworth California

ZIP Code 91311 is located in Chatsworth California. Portions of 91311 are also in Los Angeles. 91311 is primarily within Los Angeles County, with some portions in Ventura County. Regionally, 91311 is located in Metro Los Angeles.

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ZIP Code 91311 Quick Stats

ZIP Code NameChatsworth
Primary CountyLos Angeles County
ZIP Code TypeStandard
Population (2022)40,196
Area Code(s)747 / 818
Current Time

ZIP Code 91311 Map

91311 Demographics

91311 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in California based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 91311 is White. The majority race/ethnicity attending public schools in 91311 is Hispanic. The current unemployment level in 91311 is 4.8%.

Population Growth Rate0.00%
Population Density1,726 People per Square Mile
Total Households13,406
Percentage High Income Households9.5%
Median Household Income (2021)$101,623
Average Adjusted Gross Income (2021)$506,750
Current Unemployment Rate (June 2024)4.8%
Majority Race/EthnictyWhite - 49.23%
Public School Majority Race/EthnictyHispanic - 55.02%

91311 Race/Ethnicty Breakdown

Native American1740.4%
Hawaiian/Pac. Islander470.11%

91311 Public School Race/Ethnicty Breakdown

Native American70.14%
Hawaiian/Pac. Islander120.23%

91311 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,5346.03%
Bachelor Degree7,11928%
High School Diploma4,95419.49%
No High School Diploma6002.36%
GED or Alternate3811.5%
1 or More Years of College4,62218.18%
Associates Degree2,55110.04%
Masters Degree2,3839.37%
Professional Degree8463.33%
Doctorate Degree4311.7%

91311 Geography

Adjacent ZIP Codes
Cities/Towns in 91311
Neighborhoods in 91311
RegionMetro Los Angeles
Metropolitan/Micropolitan Stat AreasLos Angeles-Long Beach-Anaheim, CA
Oxnard-Thousand Oaks-Ventura, CA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area23 Square Miles

91311 Politics

US Congressional Districts in 91311
California State Senate Districts in 91311
California State Assembly Districts in 91311

91311 Weather and Climate Data

Plant Hardiness ZoneZone 9b: 25F to 30F
Average First Frost DateDecember 1 - 10
Average Last Frost DateFebruary 21 - 28
Koppen-Geiger Climate ZoneCsb - Warm-Summer Mediterranean Climate

91311 Annual Climate Data

Avg Min Temp (°F)42434346505458595651444149
Avg Max Temp (°F)66687076798693949082736779
Avg Precip (In.)3.923.753.

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