ZIP code · Riverside · California · United States

ZIP code 92503 — Riverside

ZIP code 92503 serves Riverside, California.

Postal code
92503
Single source Value from one source, not cross-checked.
City
Riverside
County
Riverside FIPS 06065
State
California
Country
United States
Coordinates
33.9208, -117.4589 — precision precise (locality)
View on OpenStreetMap
Population
88,242 (ZCTA, ACS 5-year)
Population density
2,571 / sq mi
Land area
34.3 sq mi (88.9 km²) (ZCTA, ACS 5-year)
Median household income
$91,523
Per-capita income
$33,865
Median age
34.7
Households
24,727
Housing units
25,802
Median home value
$556,300
Median gross rent
$1,801 / month
Congressional districts
CA-41 (also CA-39) (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
951, 909
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 95°F), coldest Dec (avg low 43°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F686872768087939591837567
Avg low °F444547505559646562554743
Precip in2.32.41.20.60.20.00.10.00.10.30.61.5

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

Places in ZIP 92503

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