ZIP code
94121
San Francisco, CA
94121 covers San Francisco in San Francisco County, with 42,987 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 94121. Methodology
ZIP code map of 94121

About ZIP code 94121
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 94121. Not ACS. Methodology
People in 94121
Race
- White18,907
- Black or African American746
- American Indian or Alaska Native148
- Asian17,821
- Native Hawaiian and Pacific Islander77
- Other race1,415
- Two or more races4,001
Hispanic or Latino (any race): 3,545
Age
- Under 103,447
- 10 to 193,315
- 20 to 296,333
- 30 to 397,362
- 40 to 495,632
- 50 to 595,532
- 60 to 695,377
- 70 to 793,528
- 80 and older2,589
Income and housing in 94121
Education
- High school graduate91.5%
- Bachelor's degree63.9%
- Graduate degree25.4%
Places covering 94121
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- San Francisco100.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- San Francisco County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Population history for 94121
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 36,883 | |
| 2006 | 36,702 | |
| 2007 | 38,259 | |
| 2008 | 36,668 | |
| 2009 | 36,238 | |
| 2010 | 36,312 | |
| 2011 | 44,169 | 37,095 |
| 2012 | 43,597 | 36,850 |
| 2013 | 42,104 | 37,050 |
| 2014 | 42,043 | 37,510 |
| 2015 | 42,622 | 38,140 |
| 2016 | 42,720 | 37,740 |
| 2017 | 43,638 | 37,870 |
| 2018 | 43,795 | 37,230 |
| 2019 | 43,616 | 36,270 |
| 2020 | 43,843 | 35,150 |
| 2021 | 43,964 | 34,530 |
| 2022 | 43,304 | 34,220 |
| 2023 | 42,987 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 94121
12 nearest ZIP centroids (any distance)
- 94122San Francisco1.4 miPop 57,369 · Income $145,717
- 94118San Francisco1.9 miPop 39,275 · Income $159,550
- 94129San Francisco2.2 miPop 3,808 · Income $236,190
- 94116San Francisco2.4 miPop 42,523 · Income $152,587
- 94143San Francisco2.8 miPop 36 · Income —
- 94117San Francisco2.9 miPop 37,575 · Income $175,096
- 94115San Francisco3.2 miPop 32,715 · Income $154,264
- 94114San Francisco3.6 miPop 33,627 · Income $196,528
- 94127San Francisco3.6 miPop 20,710 · Income $205,429
- 94131San Francisco3.7 miPop 27,809 · Income $198,779
- 94123San Francisco3.8 miPop 24,518 · Income $222,689
- 94132San Francisco3.9 miPop 27,406 · Income $118,557
ZIP centroids within 2 miles
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 94121 FAQ
- What city is ZIP code 94121 in?
- 94121 is in San Francisco, CA.
- What county is 94121 in?
- 94121 is in San Francisco County.
- What is the median household income in 94121?
- The median household income in 94121 is $138,353.
- Which ZIP codes are near 94121?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 94121.