ZIP Code 93257 — Porterville, California

    📍 ZIP code 93257 is in Porterville, Tulare County, California.

    ZIP code 93257 is located in Porterville, Tulare County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 79,217. The area code for zip code 93257 is 559.

    ZIP
    93257
    City
    Porterville
    County
    Tulare County
    State
    California
    Time Zone
    Pacific
    Area Code
    559
    Type
    Standard
    USPS City
    Porterville
    Latitude
    35.9881° N
    Longitude
    118.8602° W
    Land Area
    378.9 sq mi
    Water Area
    4.2 sq mi

    ZIP Code 93257 Map

    Coordinates: 35.9881°N, 118.8602°W

    ZIP Code 93257 Demographics

    Population

    Total Population79,217
    Density209/sq mi
    Median Age31.3
    Male / Female51.2% / 48.8%

    Income & Economy

    Median Household$54,889
    Per Capita$22,718
    Poverty Rate19.8%
    Unemployment11.1%

    Housing

    Total Units25,159
    Owner-Occupied56.1%
    Renter-Occupied43.9%
    Median Home Value$250,100
    Median Rent$1,057

    Education

    High School Grad68.2%
    Bachelor's Degree13.6%

    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 93257 in Context

    The median home in 93257 is valued at $250,100 against a median household income of $54,889, a price-to-income ratio of 4.6. That is below the 6.7 median across the 1,558 California ZIP codes with published housing data, and past the 3.0 ratio that marks an attainable market nationally, though it is among the more attainable ratios in the state. Within Tulare County, 93257 ranks 18 of 31 ZIPs on affordability (1 = lowest ratio); the county median ratio is 4.5. Renting takes 23.1% of median household income (median rent $1,057 a month), under the 30% cost-burden threshold.

    93257 ranks 1,345 of 1,558 statewide on median household income and 1,419 of 1,558 on median home value; its income is in line with the $54,583 Tulare County median. 56% of households own their home, below the 64% statewide ZIP median, making this a majority-owner ZIP. 14% of adults hold a bachelor's degree or higher, far below the 31% median, and the poverty rate is 19.8%, far above the 10.8% statewide ZIP median. Unemployment stands at 11.1%.

    With 209 residents per square mile across 378.9 square miles of land, 93257 is far less dense than the statewide ZIP median of 1,120 (rank 1,043 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 93257 primarily serves Porterville in Tulare County, California.

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