ZIP code · Santa Clarita · California · United States

ZIP code 91390 — Santa Clarita

ZIP code 91390 serves Santa Clarita, California.

Postal code
91390
Single source Value from one source, not cross-checked.
City
Santa Clarita
County
Los Angeles FIPS 06037
State
California
Country
United States
Coordinates
34.4684, -118.5261 — precision precise (locality)
View on OpenStreetMap
Population
18,722 (ZCTA, ACS 5-year)
Population density
118 / sq mi
Land area
158.1 sq mi (409.5 km²) (ZCTA, ACS 5-year)
Median household income
$143,963
Per-capita income
$59,011
Median age
47
Households
6,326
Housing units
6,673
Median home value
$843,200
Median gross rent
$2,282 / month
Congressional district
CA-27 (119th Congress)
USDA hardiness zone
9b (25 to 30 °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
818, 747 (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 96°F), coldest Dec (avg low 44°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F636570748187949691817162
Avg low °F474547495457636462564944
Precip in4.24.42.90.80.30.00.00.00.10.50.82.6

NOAA 1991–2020 climate normals from the nearest station: NEWHALL 5NW (6.5 mi) · NOAA NCEI

Places in ZIP 91390

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