ZIP code · Greenbrae · California · United States
ZIP code 94904 — Greenbrae
ZIP code 94904 serves Greenbrae, California.
- Postal code
- 94904Single source Value from one source, not cross-checked.
- City
- Greenbrae
- County
- Marin FIPS 06041
- State
- California
- Country
- United States
- Coordinates
- 37.9479, -122.5363 — precision precise (locality)
View on OpenStreetMap - Population
- 13,043 (ZCTA, ACS 5-year)
- Population density
- 2,637 / sq mi
- Land area
- 4.9 sq mi (12.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $161,875
- Per-capita income
- $121,702
- Median age
- 50.5
- Households
- 5,651
- Housing units
- 5,982
- Median home value
- $2,000,000+
- Median gross rent
- $2,538 / month
- Congressional district
- CA-2 (119th Congress)
- USDA hardiness zone
- 9b (25 to 30 °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 94904 with another ZIP · ZIPs within 25 miles · distance from 94904
Map of ZIP code 94904
Climate — monthly normals
Warmest month Aug (avg high 83°F), coldest Dec (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 57 | 61 | 65 | 69 | 74 | 80 | 83 | 83 | 82 | 76 | 64 | 56 |
| Avg low °F | 42 | 43 | 44 | 46 | 50 | 52 | 53 | 54 | 53 | 50 | 45 | 42 |
| Precip in | 8.8 | 8.7 | 6.0 | 2.6 | 1.4 | 0.4 | 0.0 | 0.1 | 0.1 | 2.0 | 4.6 | 9.8 |
NOAA 1991–2020 climate normals from the nearest station: KENTFIELD (0.7 mi) · NOAA NCEI
Places in ZIP 94904
- 6 schools
- 1 colleges & universities
- 4 hospitals & clinics
- 1 doctors & dentists
- 1 pharmacies
- 3 supermarkets
- 11 restaurants & cafés
- 7 parks
- 4 playgrounds
- 4 gyms & sports centres
- 1 libraries
- 2 post offices
- 1 places of worship
- 5 banks
- 5 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