ZIP code · Topanga · California · United States

ZIP code 90290 — Topanga

ZIP code 90290 serves Topanga, California.

Postal code
90290
Single source Value from one source, not cross-checked.
City
Topanga
County
Los Angeles FIPS 06037
State
California
Country
United States
Coordinates
34.1076, -118.6023 — precision precise (locality)
View on OpenStreetMap
Population
5,948 (ZCTA, ACS 5-year)
Population density
318 / sq mi
Land area
18.7 sq mi (48.5 km²) (ZCTA, ACS 5-year)
Median household income
$142,148
Per-capita income
$82,693
Median age
46.6
Households
2,236
Housing units
2,678
Median home value
$1,414,900
Median gross rent
$3,500+ / month
Congressional districts
CA-32 (also CA-26) (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)
Area code
530 (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 Aug (avg high 97°F), coldest Dec (avg low 42°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F707074788289959794857669
Avg low °F434446485357616159534642
Precip in3.74.62.70.80.40.10.00.00.10.60.82.7

NOAA 1991–2020 climate normals from the nearest station: WOODLAND HILLS PIERCE COLLEGE (5.4 mi) · NOAA NCEI

Places in ZIP 90290

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