San Joaquin County, California Zip Codes

    📍 San Joaquin County has 42 zip codes with a population of 754,032.

    County
    San Joaquin
    County Seat
    Stockton
    Zip Codes
    42
    Population
    754,032

    San Joaquin County is located in California with a land area of 1,346 square miles. The county seat is Stockton. Below you'll find all 42 zip codes in San Joaquin County with population, income and home value, the county's affordability profile, and links to its 15 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 San Joaquin County Zip Codes

    ZIP CodeCityDetails
    95201StocktonView →
    95202StocktonView →
    95203StocktonView →
    95204StocktonView →
    95205StocktonView →
    95206StocktonView →
    95207StocktonView →
    95208StocktonView →
    95209StocktonView →
    95210StocktonView →
    95211StocktonView →
    95212StocktonView →
    95213StocktonView →
    95215StocktonView →
    95219StocktonView →
    95220AcampoView →
    95227ClementsView →
    95231French CampView →
    95234HoltView →
    95236LindenView →
    95237LockefordView →
    95240LodiView →
    95241LodiView →
    95242LodiView →
    95253VictorView →
    95258WoodbridgeView →
    95267StocktonView →
    95269StocktonView →
    95290StocktonView →
    95296LyothView →
    95297StocktonView →
    95298StocktonView →
    95304TracyView →
    95320EscalonView →
    95330LathropView →
    95336MantecaView →
    95337MantecaView →
    95366RiponView →
    95376TracyView →
    95377TracyView →
    95378TracyView →
    95686ThorntonView →

    San Joaquin County at a Glance

    Residents (ZIPs with data)
    754,032
    Median household income
    $85,098
    Median home value
    $475,900
    Price-to-income ratio
    5.7
    Median rent
    $1,559
    Owner-occupied
    62%
    Bachelor's degree+
    21%
    Poverty rate
    9.9%

    San Joaquin County has 42 ZIP codes in this directory: 30 standard delivery ZIPs and 12 PO Box or unique ZIPs that carry no resident population in Census data. The 28 ZIPs with published Census housing data cover 754,032 residents, the largest being 95206 (Stockton) with 68,031 people.

    The median ZIP in San Joaquin County has a household income of $85,098 and a home value of $475,900, a price-to-income ratio of 5.7, below the 6.7 California ZIP median. Affordability ranges from 95212 in Stockton at a ratio of 4.4 to 95227 in Clements, where the median home is $824,600. The highest median income is in 95377 (Tracy) at $145,264. Median rent across these ZIPs is $1,559 a month.

    62% of households in the typical San Joaquin County ZIP own their home (statewide ZIP median 64%). 21% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 9.9%, below the 10.8% statewide ZIP median. Overall density is about 560 residents per square mile across 1,346 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.

    San Joaquin County Zip Code Map

    Interactive map of San Joaquin County, California zip codes.

    Cities in San Joaquin County (15)

    Frequently Asked Questions

    Neighboring Counties

    Related Resources