ZIP code · Santa Monica · California · United States

ZIP code 90402 — Santa Monica

ZIP code 90402 serves Santa Monica, California.

Postal code
90402
Single source Value from one source, not cross-checked.
City
Santa Monica
County
Los Angeles FIPS 06037
State
California
Country
United States
Coordinates
34.0349, -118.5030 — precision precise (locality)
View on OpenStreetMap
Population
11,178 (ZCTA, ACS 5-year)
Population density
5,473 / sq mi
Land area
2 sq mi (5.3 km²) (ZCTA, ACS 5-year)
Median household income
$182,688
Per-capita income
$141,452
Median age
50.9
Households
4,742
Housing units
5,731
Median home value
$2,000,000+
Median gross rent
$2,698 / month
Congressional districts
CA-36 (also CA-32) (119th Congress)
USDA hardiness zone
11a (40 to 45 °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 code
650 (from the nearest rate centre)
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 70°F), coldest Dec (avg low 50°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F626262636366697070686763
Avg low °F505052535659626261595450
Precip in3.13.11.70.60.20.10.00.00.00.50.82.0

NOAA 1991–2020 climate normals from the nearest station: SANTA MONICA PIER (1.9 mi) · NOAA NCEI

Places in ZIP 90402

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