ZIP Code 91942 - La Mesa California

ZIP Code 91942 is located in La Mesa California. Portions of 91942 are also in San Diego and El Cajon. 91942 is entirely within San Diego County. Regionally, it is located in Metro San Diego.

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ZIP Code 91942 Quick Stats

ZIP Code NameLa Mesa
Primary CountySan Diego County
ZIP Code TypeStandard
Population (2022)40,995
Area Code(s)619 / 858
Current Time

ZIP Code 91942 Map

91942 Demographics

91942 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 91942 is White. The majority race/ethnicity attending public schools in 91942 is White. The current unemployment level in 91942 is 4.1%.

Population Growth Rate0.00%
Population Density6,832 People per Square Mile
Total Households16,480
Percentage High Income Households2.9%
Median Household Income (2021)$72,145
Average Adjusted Gross Income (2020)$67,510
Current Unemployment Rate (April 2024)4.1%
Majority Race/EthnictyWhite - 63.65%
Public School Majority Race/EthnictyWhite - 42.11%

91942 Race/Ethnicty Breakdown

Native American2200.51%
Hawaiian/Pac. Islander2070.48%

91942 Public School Race/Ethnicty Breakdown

Native American80.28%
Hawaiian/Pac. Islander160.56%

91942 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College2,2478.96%
Bachelor Degree5,93223.65%
High School Diploma4,45317.76%
No High School Diploma6302.51%
GED or Alternate5082.03%
1 or More Years of College5,66522.59%
Associates Degree2,58710.32%
Masters Degree2,4549.79%
Professional Degree4331.73%
Doctorate Degree1690.67%

91942 Geography

Adjacent ZIP Codes
Cities/Towns in 91942
Neighborhoods in 91942
RegionMetro San Diego
Metropolitan/Micropolitan Stat AreaSan Diego-Chula Vista-Carlsbad, CA
Time ZonePacific Daylight Time
IANA TimezoneAmerica/Los_Angeles
Area6 Square Miles

91942 Politics

US Congressional Districts in 91942
California State Senate Districts in 91942
California State Assembly Districts in 91942

91942 Weather and Climate Data

Plant Hardiness ZoneZone 10a: 30F to 35F
Average First Frost DateJanuary 1 - 10
Average Last Frost DateJanuary 1 - 10
Koppen-Geiger Climate ZoneCsb - Warm-Summer Mediterranean Climate

91942 Annual Climate Data

Avg Min Temp (°F)43454750555862646155474252
Avg Max Temp (°F)68697173758085878580736876
Avg Precip (In.)2.92.622.961.

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