ZIP Code Tabulation Area · California

ZIP Code 91942: La Mesa, CA

ZIP Code 91942 (La Mesa, San Diego County, California) has an estimated 41,424 residents in 17,684 households. The median household income is $92,896, the median home value is $775,700 and the median gross rent is $2,032/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

41,424

Margin of error ±1,592

Median household income

$92,896

Margin of error ±$9,719

Median home value

$775,700

Margin of error ±$23,417

Median gross rent

$2,032/mo

Margin of error ±$78

Median age

37.7 yrs

Margin of error ±1.1 yrs

Mean travel time to work

23.7 min

Margin of error ±2.5 min

How ZIP 91942 compares with California and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9194237.7 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 91942$92,896California$99,122United States$80,734

Per capita income

ZIP 91942$49,775California$49,513United States$44,673

Poverty rate

ZIP 9194212.3%California12.0%United States12.5%

Unemployment rate

ZIP 919426.2%California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9194240.9%California37.1%United States35.7%

Median home value

ZIP 91942$775,700California$734,700United States$332,700

Median gross rent

ZIP 91942$2,032/moCalifornia$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9194245.5%California55.9%United States65.2%

Mean travel time to work

ZIP 9194223.7 minCalifornia28.7 minUnited States26.4 min

Worked from home

ZIP 9194217.6%California17.2%United States15.1%

All figures for ZIP 91942

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 91942 — ACS 2020–2024 5-year estimates
MeasureZIP 91942Margin of errorCaliforniaUnited States
Total population41,424±1,59239,287,377334,922,499
Median age37.7 yrs±1.1 yrs37.9 yrs38.9 yrs
Households17,684±74413,548,091129,227,496
Median household income$92,896±$9,719$99,122$80,734
Per capita income$49,775±$3,476$49,513$44,673
Poverty rate12.3%±3.5 pts12.0%12.5%
Unemployment rate6.2%±1.6 pts6.6%5.2%
Bachelor's degree or higher40.9%±2.6 pts37.1%35.7%
Median home value$775,700±$23,417$734,700$332,700
Median gross rent$2,032/mo±$78$2,036/mo$1,413/mo
Owner-occupied homes45.5%±2.4 pts55.9%65.2%
Mean travel time to work23.7 min±2.5 min28.7 min26.4 min
Worked from home17.6%±2.0 pts17.2%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 91942
GroupZIP 91942CaliforniaUnited States
White alone, not Hispanic or Latino51.5%33.8%57.4%
Black or African American alone, not Hispanic or Latino7.0%5.2%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.1%0.3%0.5%
Asian alone, not Hispanic or Latino6.4%15.3%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.2%0.3%0.2%
Some other race alone, not Hispanic or Latino0.8%0.6%0.6%
Two or more races, not Hispanic or Latino6.4%4.4%4.3%
Hispanic or Latino (of any race)27.6%40.2%19.3%

Where ZIP 91942 is

State
California
Main county
San Diego County
Largest overlapping place
La Mesa (100% of the ZIP's land area)
Land area
5.77 sq mi· about 7,179 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in San Diego County

91901 Alpine, CA91902 Bonita, CA91905 San Diego County, CA91906 Campo, CA91910 Chula Vista, CA91911 Chula Vista, CA91913 Chula Vista, CA91914 Chula Vista, CA91915 Chula Vista, CA91916 Descanso, CA91917 San Diego County, CA91931 San Diego County, CA91932 Imperial Beach, CA91934 San Diego County, CA91935 San Diego County, CA91941 Casa de Oro-Mount Helix, CA91945 Lemon Grove, CA91948 San Diego County, CA91950 National City, CA91962 San Diego County, CA91963 San Diego County, CA91977 La Presa, CA91978 Spring Valley, CA91980 San Diego County, CA

See every ZIP code in California, or compare ZIP 91942 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.