ZIP code · Duarte · California · United States

ZIP code 91010 — Duarte

ZIP code 91010 serves Duarte, California.

Postal code
91010
Single source Value from one source, not cross-checked.
City
Duarte
County
Los Angeles FIPS 06037
State
California
Country
United States
Coordinates
34.1407, -117.9567 — precision precise (locality)
View on OpenStreetMap
Population
27,245 (ZCTA, ACS 5-year)
Population density
4,236 / sq mi
Land area
6.4 sq mi (16.7 km²) (ZCTA, ACS 5-year)
Median household income
$98,189
Per-capita income
$37,944
Median age
42.9
Households
8,579
Housing units
8,900
Median home value
$691,600
Median gross rent
$2,035 / month
Congressional district
CA-31 (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 code
626 (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 85°F), coldest Feb (avg low 37°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F565559637079858581726355
Avg low °F383739424858646459514337
Precip in7.78.35.12.01.10.20.20.00.31.31.94.0

NOAA 1991–2020 climate normals from the nearest station: MT WILSON CBS (9.0 mi) · NOAA NCEI

Places in ZIP 91010

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