ZIP code · San Pedro · California · United States

ZIP code 90731 — San Pedro

ZIP code 90731 serves San Pedro, California.

Postal code
90731
Single source Value from one source, not cross-checked.
City
San Pedro
County
Los Angeles FIPS 06037
State
California
Country
United States
Coordinates
33.7339, -118.2914 — precision precise (locality)
View on OpenStreetMap
Population
62,452 (ZCTA, ACS 5-year)
Population density
6,751 / sq mi
Land area
9.3 sq mi (24 km²) (ZCTA, ACS 5-year)
Median household income
$71,936
Per-capita income
$37,546
Median age
38.8
Households
23,131
Housing units
24,477
Median home value
$808,800
Median gross rent
$1,645 / month
Congressional districts
CA-44 (also CA-42) (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 codes
310, 424
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 78°F), coldest Dec (avg low 46°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F676668707274777878767166
Avg low °F474850525559626261575146
Precip in3.43.72.00.60.30.10.10.00.10.50.82.2

NOAA 1991–2020 climate normals from the nearest station: TORRANCE AP (5.5 mi) · NOAA NCEI

Places in ZIP 90731

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