ZIP Code 91381 — Stevenson Ranch, California

    📍 ZIP code 91381 is in Stevenson Ranch, Los Angeles County, California.

    ZIP code 91381 is located in Stevenson Ranch, Los Angeles County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 20,864. The area code for zip code 91381 is 661.

    ZIP
    91381
    City
    Stevenson Ranch
    County
    Los Angeles County
    State
    California
    Time Zone
    Pacific
    Area Code
    661
    Type
    Standard
    USPS City
    Stevenson Ranch
    Latitude
    34.3847° N
    Longitude
    118.6472° W
    Land Area
    39.5 sq mi
    Water Area
    0 sq mi

    ZIP Code 91381 Map

    Coordinates: 34.3847°N, 118.6472°W

    ZIP Code 91381 Demographics

    Population

    Total Population20,864
    Density528/sq mi
    Median Age40.5
    Male / Female48.6% / 51.4%

    Income & Economy

    Median Household$148,873
    Per Capita$60,232
    Poverty Rate4.9%
    Unemployment9.1%

    Housing

    Total Units6,926
    Owner-Occupied62.6%
    Renter-Occupied37.4%
    Median Home Value$964,900
    Median Rent$2,457

    Education

    High School Grad96.9%
    Bachelor's Degree55%

    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 91381 in Context

    The median home in 91381 is valued at $964,900 against a median household income of $148,873, a price-to-income ratio of 6.5. That is in line with 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, so buying here on a local median income requires substantial savings or a second income. Within Los Angeles County, 91381 ranks 31 of 275 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.2. Renting takes 19.8% of median household income (median rent $2,457 a month), under the 30% cost-burden threshold.

    91381 ranks 159 of 1,558 statewide on median household income and 338 of 1,558 on median home value; its income is far above the $87,339 Los Angeles County median. 63% of households own their home, in line with the 64% statewide ZIP median, making this a majority-owner ZIP. 55% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 4.9%, far below the 10.8% statewide ZIP median and among the lowest in the state. Unemployment stands at 9.1%.

    With 528 residents per square mile across 39.5 square miles of land, 91381 is far less dense than the statewide ZIP median of 1,120 (rank 899 of 1,558). This is a low-density pattern of large lots, small towns or scattered subdivisions.

    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 91381 primarily serves Stevenson Ranch in Los Angeles County, California.

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