ZIP Code Tabulation Area · California

ZIP Code 92121: San Diego, CA

ZIP Code 92121 (San Diego, San Diego County, California) has an estimated 3,974 residents in 1,575 households. The median household income is $135,938, the median home value is $1,085,200 and the median gross rent is $2,606/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

3,974

Margin of error ±488

Median household income

$135,938

Margin of error ±$15,307

Median home value

$1,085,200

Margin of error ±$125,318

Median gross rent

$2,606/mo

Margin of error ±$248

Median age

32.7 yrs

Margin of error ±2.2 yrs

Mean travel time to work

18.1 min

Margin of error ±4.0 min

How ZIP 92121 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 9212132.7 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 92121$135,938California$99,122United States$80,734

Per capita income

ZIP 92121$67,816California$49,513United States$44,673

Poverty rate

ZIP 9212115.8%California12.0%United States12.5%

Unemployment rate

ZIP 921214.6%California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9212174.4%California37.1%United States35.7%

Median home value

ZIP 92121$1,085,200California$734,700United States$332,700

Median gross rent

ZIP 92121$2,606/moCalifornia$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9212149.6%California55.9%United States65.2%

Mean travel time to work

ZIP 9212118.1 minCalifornia28.7 minUnited States26.4 min

Worked from home

ZIP 9212119.9%California17.2%United States15.1%

All figures for ZIP 92121

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 92121 — ACS 2020–2024 5-year estimates
MeasureZIP 92121Margin of errorCaliforniaUnited States
Total population3,974±48839,287,377334,922,499
Median age32.7 yrs±2.2 yrs37.9 yrs38.9 yrs
Households1,575±15513,548,091129,227,496
Median household income$135,938±$15,307$99,122$80,734
Per capita income$67,816±$8,330$49,513$44,673
Poverty rate15.8%±5.7 pts12.0%12.5%
Unemployment rate4.6%±2.1 pts6.6%5.2%
Bachelor's degree or higher74.4%±3.4 pts37.1%35.7%
Median home value$1,085,200±$125,318$734,700$332,700
Median gross rent$2,606/mo±$248$2,036/mo$1,413/mo
Owner-occupied homes49.6%±5.9 pts55.9%65.2%
Mean travel time to work18.1 min±4.0 min28.7 min26.4 min
Worked from home19.9%±5.1 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 92121
GroupZIP 92121CaliforniaUnited States
White alone, not Hispanic or Latino48.6%33.8%57.4%
Black or African American alone, not Hispanic or Latino2.1%5.2%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.3%0.5%
Asian alone, not Hispanic or Latino26.3%15.3%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.3%0.2%
Some other race alone, not Hispanic or Latino0.0%0.6%0.6%
Two or more races, not Hispanic or Latino9.4%4.4%4.3%
Hispanic or Latino (of any race)13.5%40.2%19.3%

Where ZIP 92121 is

State
California
Main county
San Diego County
Largest overlapping place
San Diego (100% of the ZIP's land area)
Land area
12.54 sq mi· about 317 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

92107 San Diego, CA92108 San Diego, CA92109 San Diego, CA92110 San Diego, CA92111 San Diego, CA92113 San Diego, CA92114 San Diego, CA92115 San Diego, CA92116 San Diego, CA92117 San Diego, CA92118 Coronado, CA92119 San Diego, CA92120 San Diego, CA92122 San Diego, CA92123 San Diego, CA92124 San Diego, CA92126 San Diego, CA92127 San Diego, CA92128 San Diego, CA92129 San Diego, CA92130 San Diego, CA92131 San Diego, CA92134 San Diego, CA92135 Coronado, CA

See every ZIP code in California, or compare ZIP 92121 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.