ZIP Code 91770 - Rosemead California

ZIP Code 91770 is located in Rosemead California. Portions of 91770 are also in South San Gabriel and Montebello and San Gabriel. 91770 is entirely within Los Angeles County. Regionally, it is located in Metro Los Angeles.

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ZIP Code 91770 Quick Stats

ZIP Code NameRosemead
Primary CountyLos Angeles County
ZIP Code TypeStandard
Population (2022)59,410
Area Code(s)626
Current Time

ZIP Code 91770 Map

91770 Demographics

91770 can be classified socioeconomically as Lower 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 91770 is Asian. The majority race/ethnicity attending public schools in 91770 is Asian. The current unemployment level in 91770 is 5.6%.

Population Growth Rate0.00%
Population Density9,112 People per Square Mile
Total Households16,433
Percentage High Income Households2.3%
Median Houshold Income (2021)$65,042
Average Adjusted Gross Income (2020)$45,280
Current Unemployment Rate (February 2024)5.6%
Majority Race/EthnictyAsian - 60.67%
Public School Majority Race/EthnictyAsian - 52.99%

91770 Race/Ethnicty Breakdown

Native American4830.76%
Hawaiian/Pac. Islander70.01%

91770 Public School Race/Ethnicty Breakdown

Native American70.09%
Hawaiian/Pac. Islander10.01%

91770 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,6125.42%
Bachelor Degree5,02716.9%
High School Diploma9,56632.16%
No High School Diploma2,0126.76%
GED or Alternate7432.5%
1 or More Years of College6,57522.1%
Associates Degree2,5088.43%
Masters Degree1,2414.17%
Professional Degree3521.18%
Doctorate Degree1130.38%

91770 Geography

Adjacent ZIP Codes
Cities/Towns in 91770
RegionMetro Los Angeles
Metropolitan/Micropolitan Stat AreaLos Angeles-Long Beach-Anaheim, CA
Time ZonePacific Standard Time
IANA TimezoneAmerica/Los_Angeles
Area7 Square Miles

91770 Politics

US Congressional Districts in 91770
California State Senate Districts in 91770
California State Assembly Districts in 91770

91770 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

91770 Annual Climate Data

Avg Min Temp (°F)44464850555962636155474353
Avg Max Temp (°F)69707176778387888782757078
Avg Precip (In.)3.884.423.

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