ZIP code · San Francisco · California · United States
ZIP code 94121 — San Francisco
ZIP code 94121 serves San Francisco, California.
- Postal code
- 94121Single source Value from one source, not cross-checked.
- City
- San Francisco
- County
- City and County of San Francisco FIPS 06075
- State
- California
- Country
- United States
- Coordinates
- 37.7786, -122.4892 — precision precise (locality)
View on OpenStreetMap - Population
- 42,987 (ZCTA, ACS 5-year)
- Population density
- 16,972 / sq mi
- Land area
- 2.5 sq mi (6.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $138,353
- Per-capita income
- $81,737
- Median age
- 43.7
- Households
- 18,175
- Housing units
- 19,742
- Median home value
- $1,634,600
- Median gross rent
- $2,327 / month
- Congressional district
- CA-11 (119th Congress)
- USDA hardiness zone
- 10b (35 to 40 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 94121 with another ZIP · ZIPs within 25 miles · distance from 94121
Map of ZIP code 94121
Climate — monthly normals
Warmest month Sep (avg high 70°F), coldest Jan (avg low 47°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 60 | 62 | 63 | 64 | 67 | 66 | 68 | 70 | 70 | 64 | 58 |
| Avg low °F | 47 | 48 | 49 | 50 | 51 | 53 | 54 | 56 | 56 | 54 | 51 | 47 |
| Precip in | 4.4 | 4.4 | 3.1 | 1.6 | 0.7 | 0.2 | 0.0 | 0.1 | 0.1 | 0.9 | 2.6 | 4.8 |
NOAA 1991–2020 climate normals from the nearest station: SAN FRANCISCO DWTN (3.4 mi) · NOAA NCEI
Places in ZIP 94121
- 17 schools
- 1 hospitals & clinics
- 10 doctors & dentists
- 2 pharmacies
- 7 supermarkets
- 126 restaurants & cafés
- 6 bars & pubs
- 10 parks
- 11 playgrounds
- 10 gyms & sports centres
- 1 libraries
- 5 post offices
- 15 places of worship
- 10 banks
- 3 gas stations
- 1 EV charging stations
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page