Postal Codes

94121 ZIP Code

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ZIP code 94121 covers San Francisco, California, with a population of about 42,987 and a median household income of $138,353.

Population
42,98716,960 per square mile
Median age
43.75 points above the US average
Median household income
$138,3531.4× the California median
Poverty rate
8.3%4.1 points below the US average
Typical home value
$1,820,717up 2.7% in five years
Median rent
$2,3271.2× the California median
Degree or higher
63.9%28.9 points above the US average
Homeownership
43%22 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
812

Where 94121 is

San Francisco, 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

Population42,987
Median age43.7
Family households55.5%
Born outside the US35%
Speaks a language other than English at home41.4%
White (non-Hispanic)40.6%
Black (non-Hispanic)2.1%
Asian (non-Hispanic)41.7%
Hispanic or Latino8.4%
Veterans3%
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$138,353
Income per person$81,737
Poverty rate8.3%
Households on SNAP or cash assistance8.6%

Household income distribution

Under $10k3.6%
$10–15k3.2%
$15–20k1.8%
$20–25k1.3%
$25–30k1.7%
$30–35k2.0%
$35–40k1.6%
$40–45k1.3%
$45–50k2.7%
$50–60k3.3%
$60–75k4.9%
$75–100k10.9%
$100–125k7.5%
$125–150k7.3%
$150–200k12.7%
$200k or more34.1%

Income as declared to the IRS

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

Tax returns filed21,020
Mean adjusted gross income$197,311
Returns declaring $200,000 or more19.6%
Returns, under $25k19.3%
Returns, $25k–$50k14.3%
Returns, $50k–$75k13.5%
Returns, $75k–$100k10.7%
Returns, $100k–$200k22.6%
Returns, $200k or more19.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$1,634,600
Median gross rent$2,327
Rent as a share of household income25%
Owner-occupied43%
Vacant homes7.9%
Median year built1938

What the homes are

Detached house19.9%
Attached house16.2%
2 to 4 units37.3%
5 to 19 units21.4%
20 or more units5.2%
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$1,820,717as of 2026-07
Typical home value, 1 yearup 14.5%
Typical home value, 5 yearsup 2.7%
Typical home value, 10 yearsup 30.1%
Typical asking rent$4,010as of 2026-07
Typical asking rent, 1 yearup 18.6%
Typical asking rent, 5 yearsup 38.3%
Typical home value since 2000
200020132026$1,887,831$593,376

$593,376 in 2000 to $1,820,717 in 2026.

Typical asking rent
202020232026$4,010$2,901

$3,017 in 2020 to $4,010 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.8%
Bachelor's degree or higher63.9%
High school diploma or higher91.5%
Works from home29.5%
Drives to work alone35.1%
Takes public transport18%
Commutes 45 minutes or more27.9%
Health

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

Obesity15.6% 17.8 pts below the national average of 33.4%
Diagnosed diabetes9.8% 2.2 pts below the national average of 12%
Currently smokes7.9% 5.3 pts below the national average of 13.2%
High blood pressure26.7% 7.4 pts below the national average of 34.1%
Fair or poor general health15% 5.3 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%
Depression19.6% 2.3 pts below the national average of 21.9%
No leisure-time physical activity17.9% 7.5 pts below the national average of 25.4%
Arthritis18.1% 7 pts below the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication73.6% 1.1 pts below the national average of 74.7%
Cancer (non-skin)6.5% 1.2 pts below the national average of 7.7%
Current asthma8.4% 2 pts below the national average of 10.4%
Coronary heart disease4.8% 1.4 pts below the national average of 6.2%
Routine check-up in past year73.9% 2.8 pts below the national average of 76.7%
Cholesterol screening88.1% 2.2 pts above the national average of 85.9%
Cognitive disability10.5% 4.3 pts below the national average of 14.8%
Colorectal screening63.6% 0.7 pts below the national average of 64.3%
COPD3.8% 2.8 pts below the national average of 6.6%
Visited a dentist70.4% 9.1 pts above the national average of 61.3%
Any disability23.3% 7.4 pts below the national average of 30.7%
Lacks emotional support26.7% 1.9 pts above the national average of 24.8%
Food insecurity10.1% 7 pts below the national average of 17.1%
Received food stamps7.7% 6.6 pts below the national average of 14.3%
Hearing disability5.2% 1.5 pts below the national average of 6.7%
High cholesterol36% same as the national average of 36.2%
Housing insecurity7.8% 6 pts below the national average of 13.8%
Independent living disability5.6% 2.8 pts below the national average of 8.4%
Lacks transport5.7% 3.5 pts below the national average of 9.2%
Loneliness37.2% 2.8 pts above the national average of 34.4%
Mammography use80.1% 4.2 pts above the national average of 75.9%
Poor mental health (14+ days)13.4% 3.4 pts below the national average of 16.8%
Mobility disability9.7% 4.3 pts below the national average of 14%
Poor physical health (14+ days)9.9% 3.6 pts below the national average of 13.5%
Self-care disability2.4% 1.6 pts below the national average of 4%
Utility shut-off threat4.1% 4.7 pts below the national average of 8.8%
Sleeps under 7 hours31.1% 5.3 pts below the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost7.6% 5.4 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments812
People employed4,873
Annual payroll$303,345,000
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 56% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 14 census tracts this ZIP code covers
Expected annual loss62.1 out of 100
Community resilience99.7 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.

Earthquake89.9Relatively High at its worst in this ZIP code
Landslide85.2Relatively Low at its worst in this ZIP code
Tsunami40.8Relatively Low at its worst in this ZIP code
River flooding36.6Relatively Moderate at its worst in this ZIP code
Wildfire35.6Relatively Low at its worst in this ZIP code
Coastal flooding25.2Relatively Low at its worst in this ZIP code
Heat wave19.7Relatively Low at its worst in this ZIP code
Drought12.3Relatively Moderate at its worst in this ZIP code
Hail4.9Very Low at its worst in this ZIP code
Tornado4.8Very Low at its worst in this ZIP code
Strong wind3Very Low at its worst in this ZIP code
Lightning1Very 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$138,353$96,334$78,538
Income per person$81,737$47,977$43,289
Poverty rate8.3%12%12.4%
Median home value$1,634,600$695,400$303,400
Median gross rent$2,327$1,956$1,348
Homeownership43%55.8%65%
Bachelor's degree or higher63.9%36.5%35%
Unemployment rate4.8%6.4%5.2%
Works from home29.5%15.5%13.5%
Born outside the US35%26.7%13.9%
Median age43.737.638.7
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 FRANCISCO DWTN, CA US5.5 km away
Rain in a year23 in

Average high and low by month

January57.8°F / 46.6°F4.4 in rain
February60.4°F / 47.9°F4.37 in rain
March62.1°F / 48.9°F3.15 in rain
April63°F / 49.7°F1.6 in rain
May64.1°F / 51.4°F0.7 in rain
June66.5°F / 53°F0.2 in rain
July66.3°F / 54.4°F0.01 in rain
August67.9°F / 55.5°F0.06 in rain
September70.2°F / 55.6°F0.1 in rain
October69.8°F / 54.4°F0.94 in rain
November63.7°F / 50.7°F2.6 in rain
December57.9°F / 47°F4.76 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 supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket36% of this ZIP code's area
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%.

San Francisco Unified School District100% 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 vulnerability42more vulnerable than 42% of US census tracts
Socioeconomic status27more vulnerable than 27% of US census tracts
Household characteristics44more vulnerable than 44% of US census tracts
Racial and ethnic minority status69more vulnerable than 69% of US census tracts
Housing type and transport59more vulnerable than 59% of US census tracts
Walkability14.9 out of 20Above average
Nearby ZIP codes

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

94122 San Francisco, CA2.2 km away
94118 San Francisco, CA2.5 km away
94143 San Francisco, CA3.2 km away
94129 San Francisco, CA3.2 km away
94116 San Francisco, CA3.8 km away
94117 San Francisco, CA4.3 km away
94115 San Francisco, CA4.8 km away
94123 San Francisco, CA5.4 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 Francisco County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area2.53 sq mi
Water area0.01 sq mi
Population density16,960 people per sq mi
Latitude, longitude37.7786, -122.4892

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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