ZIP Code 91390 — Santa Clarita, California

    📍 ZIP code 91390 is in Santa Clarita, Los Angeles County, California.

    ZIP code 91390 is located in Santa Clarita, Los Angeles County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 18,930. The area code for zip code 91390 is 661.

    ZIP
    91390
    City
    Santa Clarita
    County
    Los Angeles County
    State
    California
    Time Zone
    Pacific
    Area Code
    661
    Type
    Standard
    USPS City
    Santa Clarita
    Latitude
    34.5456° N
    Longitude
    118.4201° W
    Land Area
    158.1 sq mi
    Water Area
    1 sq mi

    ZIP Code 91390 Map

    Coordinates: 34.5456°N, 118.4201°W

    ZIP Code 91390 Demographics

    Population

    Total Population18,930
    Density120/sq mi
    Median Age44.9
    Male / Female49.1% / 50.9%

    Income & Economy

    Median Household$145,465
    Per Capita$56,370
    Poverty Rate5.3%
    Unemployment3.8%

    Housing

    Total Units6,647
    Owner-Occupied87.4%
    Renter-Occupied12.6%
    Median Home Value$800,000
    Median Rent$2,230

    Education

    High School Grad93.9%
    Bachelor's Degree40.8%

    Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).

    Affordability & Profile: ZIP 91390 in Context

    The median home in 91390 is valued at $800,000 against a median household income of $145,465, a price-to-income ratio of 5.5. That is below the 6.7 median across the 1,558 California ZIP codes with published housing data, and well past the 3.0 ratio that marks an attainable market nationally, though it is among the more attainable ratios in the state. Within Los Angeles County, 91390 ranks 17 of 275 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.2. Renting takes 18.4% of median household income (median rent $2,230 a month), under the 30% cost-burden threshold.

    91390 ranks 169 of 1,558 statewide on median household income and 494 of 1,558 on median home value; its income is far above the $87,339 Los Angeles County median. 87% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 41% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 5.3%, far below the 10.8% statewide ZIP median and among the lowest in the state. Unemployment stands at 3.8%.

    With 120 residents per square mile across 158.1 square miles of land, 91390 is far less dense than the statewide ZIP median of 1,120 (rank 1,115 of 1,558). This is rural or open territory where most of the land is agricultural, forest, desert or public land.

    Ratios and ranks are computed from the ACS figures above across the 1,558 California ZIP codes with published housing data. See the 2026 California affordability report for the statewide analysis and the methodology for definitions.

    Nearby Zip Codes

    Cities & Places Served

    ZIP code 91390 primarily serves Santa Clarita in Los Angeles County, California.

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