Mariposa County, California Zip Codes

    📍 Mariposa County has 8 zip codes with a population of 16,129.

    County
    Mariposa
    County Seat
    Mariposa
    Zip Codes
    8
    Population
    16,129

    Mariposa County is located in California with a land area of 1,193 square miles. The county seat is Mariposa. Below you'll find all 8 zip codes in Mariposa County with population, income and home value, the county's affordability profile, and links to its 8 city pages.

    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).

    All Mariposa County Zip Codes

    ZIP CodeCityDetails
    93623Fish CampView →
    95306Catheys ValleyView →
    95311CoultervilleView →
    95318El PortalView →
    95325HornitosView →
    95338MariposaView →
    95345MidpinesView →
    95389Yosemite National ParkView →

    Mariposa County at a Glance

    Residents (ZIPs with data)
    16,129
    Median household income
    $58,042
    Median home value
    $345,200
    Price-to-income ratio
    5.7
    Median rent
    $1,140
    Owner-occupied
    74%
    Bachelor's degree+
    29%
    Poverty rate
    16.1%

    Mariposa County has 8 ZIP codes in this directory: 8 standard delivery ZIPs. The 5 ZIPs with published Census housing data cover 16,129 residents, the largest being 95338 (Mariposa) with 10,102 people.

    The median ZIP in Mariposa County has a household income of $58,042 and a home value of $345,200, a price-to-income ratio of 5.7, below the 6.7 California ZIP median. Affordability ranges from 95311 in Coulterville at a ratio of 5.4 to 95345 in Midpines, where the median home is $389,700. The highest median income is in 95345 (Midpines) at $65,500. Median rent across these ZIPs is $1,140 a month.

    74% of households in the typical Mariposa County ZIP own their home (statewide ZIP median 64%). 29% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 16.1%, above the 10.8% statewide ZIP median. Overall density is about 14 residents per square mile across 1,193 square miles of ZIP land area.

    Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.

    Mariposa County Zip Code Map

    Interactive map of Mariposa County, California zip codes.

    Cities in Mariposa County (8)

    Frequently Asked Questions

    Neighboring Counties

    Related Resources