ZIP code · Richmond · California · United States

ZIP code 94804 — Richmond

ZIP code 94804 serves Richmond, California.

Postal code
94804
Single source Value from one source, not cross-checked.
City
Richmond
County
Contra Costa FIPS 06013
State
California
Country
United States
Coordinates
37.9265, -122.3342 — precision precise (locality)
View on OpenStreetMap
Population
44,679 (ZCTA, ACS 5-year)
Population density
6,896 / sq mi
Land area
6.5 sq mi (16.8 km²) (ZCTA, ACS 5-year)
Median household income
$86,430
Per-capita income
$39,867
Median age
36.3
Households
16,080
Housing units
16,659
Median home value
$618,000
Median gross rent
$1,825 / month
Congressional district
CA-8 (119th Congress)
USDA hardiness zone
10a (30 to 35 °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)
Area codes
510, 341
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Sep (avg high 75°F), coldest Jan (avg low 44°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F586164676972717275736558
Avg low °F444647495254555656544944
Precip in4.84.83.21.60.70.30.00.10.01.42.74.9

NOAA 1991–2020 climate normals from the nearest station: RICHMOND (2.4 mi) · NOAA NCEI

Places in ZIP 94804

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