ZIP Code 91748 - Rowland Heights California

ZIP Code 91748 is located in Rowland Heights California. Portions of 91748 are also in Industry and Diamond Bar. 91748 is entirely within Los Angeles County. Regionally, 91748 is located in Metro Los Angeles.

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ZIP Code 91748 Quick Stats

ZIP Code NameRowland Heights
Primary CountyLos Angeles County
ZIP Code TypeStandard
Population (2022)43,851
Area Code(s)562 / 626 / 840 / 909
Current Time

ZIP Code 91748 Map

91748 Demographics

91748 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 91748 is Asian. The majority race/ethnicity attending public schools in 91748 is Hispanic. The current unemployment level in 91748 is 4.8%.

Population Growth Rate0.00%
Population Density3,014 People per Square Mile
Total Households13,358
Percentage High Income Households6.7%
Median Household Income (2021)$77,183
Average Adjusted Gross Income (2021)$539,410
Current Unemployment Rate (June 2024)4.8%
Majority Race/EthnictyAsian - 57.85%
Public School Majority Race/EthnictyHispanic - 46.51%

91748 Race/Ethnicty Breakdown

Native American5051.05%
Hawaiian/Pac. Islander1950.4%

91748 Public School Race/Ethnicty Breakdown

Native American10.02%
Hawaiian/Pac. Islander130.25%

91748 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,4084.92%
Bachelor Degree8,90831.1%
High School Diploma7,09724.78%
No High School Diploma7272.54%
GED or Alternate3911.37%
1 or More Years of College4,18014.6%
Associates Degree3,21111.21%
Masters Degree2,0257.07%
Professional Degree5411.89%
Doctorate Degree1510.53%

91748 Geography

Adjacent ZIP Codes
Cities/Towns in 91748
RegionMetro Los Angeles
Metropolitan/Micropolitan Stat AreaLos Angeles-Long Beach-Anaheim, CA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area15 Square Miles

91748 Politics

US Congressional Districts in 91748
California State Senate Districts in 91748
California State Assembly Districts in 91748

91748 Weather and Climate Data

Plant Hardiness ZoneZone 10a: 30F to 35F
Average First Frost DateDecember 21 - 31
Average Last Frost DateJanuary 21 - 31
Koppen-Geiger Climate ZoneCsa - Hot-Summer Mediterranean Climate

91748 Annual Climate Data

Avg Min Temp (°F)42444548525660605953464251
Avg Max Temp (°F)68707075778389908882746978
Avg Precip (In.)3.813.793.

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