Postal Codes

92121 ZIP Code

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ZIP code 92121 covers San Diego, California, with a population of about 4,157 and a median household income of $135,795.

Population
4,157332 per square mile
Median age
32.76 points below the US average
Median household income
$135,7951.4× the California median
Poverty rate
16.8%4.4 points above the US average
Typical home value
$1,093,166up 22.8% in five years
Median rent
$2,5371.3× the California median
Degree or higher
74.9%39.9 points above the US average
Homeownership
48.9%16.1 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
2,966

Where 92121 is

San Diego, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,157
Median age32.7
Family households59%
Born outside the US28%
Speaks a language other than English at home38.3%
White (non-Hispanic)48.1%
Black (non-Hispanic)2%
Asian (non-Hispanic)25.8%
Hispanic or Latino14.4%
Veterans2.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$135,795
Income per person$65,454
Poverty rate16.8%
Households on SNAP or cash assistance8.8%

Household income distribution

Under $10k5.8%
$10–15k3.2%
$15–20k1.4%
$20–25k1.5%
$25–30k0.7%
$30–35k1.3%
$35–40k1.5%
$40–45k1.6%
$45–50k0.5%
$50–60k3.6%
$60–75k4.8%
$75–100k8.6%
$100–125k10.1%
$125–150k12.3%
$150–200k15.4%
$200k or more27.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,400
Mean adjusted gross income$196,708
Returns declaring $200,000 or more24.6%
Returns, under $25k19.6%
Returns, $25k–$50k13.8%
Returns, $50k–$75k11.2%
Returns, $75k–$100k8.3%
Returns, $100k–$200k22.5%
Returns, $200k or more24.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$1,091,600
Median gross rent$2,537
Rent as a share of household income32.9%
Owner-occupied48.9%
Vacant homes7.2%
Median year built1993

What the homes are

Detached house38.7%
Attached house22.5%
2 to 4 units8.1%
5 to 19 units19.4%
20 or more units11.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$1,093,166as of 2026-07
Typical home value, 1 yeardown 2.7%
Typical home value, 5 yearsup 22.8%
Typical home value, 10 yearsup 79.1%
Typical asking rent$4,096as of 2026-07
Typical home value since 2000
200020132026$1,146,339$291,223

$291,223 in 2000 to $1,093,166 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.8%
Bachelor's degree or higher74.9%
High school diploma or higher98.9%
Works from home15.4%
Drives to work alone65.5%
Takes public transport3.7%
Commutes 45 minutes or more7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity19.5% 13.9 pts below the national average of 33.4%
Diagnosed diabetes6.5% 5.5 pts below the national average of 12%
Currently smokes7.4% 5.8 pts below the national average of 13.2%
High blood pressure21.1% 13 pts below the national average of 34.1%
Fair or poor general health13.2% 7.1 pts below the national average of 20.3%
No health insurance (18–64)4.9% 6.4 pts below the national average of 11.3%
Depression21% 0.9 pts below the national average of 21.9%
No leisure-time physical activity15.4% 10 pts below the national average of 25.4%
Arthritis13.2% 11.9 pts below the national average of 25.1%
Binge drinking17.5% 1.5 pts above the national average of 16%
Taking blood pressure medication60.3% 14.4 pts below the national average of 74.7%
Cancer (non-skin)4.7% 3 pts below the national average of 7.7%
Current asthma8.5% 1.9 pts below the national average of 10.4%
Coronary heart disease3.1% 3.1 pts below the national average of 6.2%
Routine check-up in past year70.3% 6.4 pts below the national average of 76.7%
Cholesterol screening82.5% 3.4 pts below the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening62.4% 1.9 pts below the national average of 64.3%
COPD2.9% 3.7 pts below the national average of 6.6%
Visited a dentist65.8% 4.5 pts above the national average of 61.3%
Any disability20.9% 9.8 pts below the national average of 30.7%
Lacks emotional support28.2% 3.4 pts above the national average of 24.8%
Food insecurity11.8% 5.3 pts below the national average of 17.1%
Received food stamps10% 4.3 pts below the national average of 14.3%
Hearing disability3.6% 3.1 pts below the national average of 6.7%
High cholesterol28.4% 7.8 pts below the national average of 36.2%
Housing insecurity9.7% 4.1 pts below the national average of 13.8%
Independent living disability5.9% 2.5 pts below the national average of 8.4%
Lacks transport7.4% 1.8 pts below the national average of 9.2%
Loneliness37.5% 3.1 pts above the national average of 34.4%
Mammography use78.4% 2.5 pts above the national average of 75.9%
Poor mental health (14+ days)16.3% 0.5 pts below the national average of 16.8%
Mobility disability6.8% 7.2 pts below the national average of 14%
Poor physical health (14+ days)8.7% 4.8 pts below the national average of 13.5%
Self-care disability2% 2 pts below the national average of 4%
Utility shut-off threat4.8% 4 pts below the national average of 8.8%
Sleeps under 7 hours34% 2.4 pts below the national average of 36.4%
Stroke1.7% 1.7 pts below the national average of 3.4%
All natural teeth lost5.9% 7.1 pts below the national average of 13%
Vision disability3.3% 2.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments2,966
People employed123,568
Annual payroll$18,822,256,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 90.3% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss93.8 out of 100
Community resilience5.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Earthquake97Very High at its worst in this ZIP code
Wildfire95.5Relatively High at its worst in this ZIP code
Landslide90.8Relatively Low at its worst in this ZIP code
River flooding81.8Relatively High at its worst in this ZIP code
Hail41.1Relatively Low at its worst in this ZIP code
Coastal flooding29.6Relatively Low at its worst in this ZIP code
Heat wave23.8Relatively Low at its worst in this ZIP code
Tornado17.5Very Low at its worst in this ZIP code
Tsunami15.8Very Low at its worst in this ZIP code
Strong wind12.9Very Low at its worst in this ZIP code
Hurricane11.4Very Low at its worst in this ZIP code
Lightning5.2Very Low at its worst in this ZIP code
Winter weather0.6Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$135,795$96,334$78,538
Income per person$65,454$47,977$43,289
Poverty rate16.8%12%12.4%
Median home value$1,091,600$695,400$303,400
Median gross rent$2,537$1,956$1,348
Homeownership48.9%55.8%65%
Bachelor's degree or higher74.9%36.5%35%
Unemployment rate4.8%6.4%5.2%
Works from home15.4%15.5%13.5%
Born outside the US28%26.7%13.9%
Median age32.737.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSAN DIEGO MIRAMAR NAS, CA US7.1 km away
Rain in a year11 in

Average high and low by month

January67.4°F / 47°F2.3 in rain
February67.2°F / 48.1°F2.66 in rain
March67.5°F / 49.9°F1.64 in rain
April70.3°F / 52.2°F0.78 in rain
May71.9°F / 56.6°F0.28 in rain
June75.3°F / 60°F0.05 in rain
July80°F / 64.1°F0.12 in rain
August82.4°F / 65.2°F0.02 in rain
September81.5°F / 63.2°F0.14 in rain
October77.6°F / 57.5°F0.57 in rain
November72.4°F / 50.8°F0.93 in rain
December66.6°F / 46.1°F1.99 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket35% of this ZIP code's area
Far from a supermarket62% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

San Diego City Unified School District94.9% of this ZIP code's land area
Del Mar Union Elementary School District2.6% of this ZIP code's land area
San Dieguito Union High School District2.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability35more vulnerable than 35% of US census tracts
Socioeconomic status37more vulnerable than 37% of US census tracts
Household characteristics19more vulnerable than 19% of US census tracts
Racial and ethnic minority status73more vulnerable than 73% of US census tracts
Housing type and transport52more vulnerable than 52% of US census tracts
Walkability8.3 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

92161 San Diego, CA3.3 km away
92122 San Diego, CA3.9 km away
92126 San Diego, CA6.5 km away
92037 La Jolla, CA6.9 km away
92130 San Diego, CA7.4 km away
92117 San Diego, CA7.6 km away
92038 La Jolla, CA8.3 km away
92039 La Jolla, CA8.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

San Diego County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area12.54 sq mi
Water area0.02 sq mi
Population density332 people per sq mi
Latitude, longitude32.8919, -117.2035

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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