ZIP Code 94553 — Martinez, California

    📍 ZIP code 94553 is in Martinez, Contra Costa County, California.

    ZIP code 94553 is located in Martinez, Contra Costa County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 49,062. The area code for zip code 94553 is 925.

    ZIP
    94553
    City
    Martinez
    County
    Contra Costa County
    State
    California
    Time Zone
    Pacific
    Area Code
    925
    Type
    Standard
    USPS City
    Martinez
    Latitude
    37.9939° N
    Longitude
    122.1364° W
    Land Area
    61.6 sq mi
    Water Area
    3.3 sq mi

    ZIP Code 94553 Map

    Coordinates: 37.9939°N, 122.1364°W

    ZIP Code 94553 Demographics

    Population

    Total Population49,062
    Density796/sq mi
    Median Age42.2
    Male / Female49.9% / 50.1%

    Income & Economy

    Median Household$118,704
    Per Capita$58,883
    Poverty Rate6.4%
    Unemployment5.2%

    Housing

    Total Units19,943
    Owner-Occupied72%
    Renter-Occupied28%
    Median Home Value$723,400
    Median Rent$2,170

    Education

    High School Grad93.9%
    Bachelor's Degree41.6%

    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 94553 in Context

    The median home in 94553 is valued at $723,400 against a median household income of $118,704, a price-to-income ratio of 6.1. 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, so buying here on a local median income requires substantial savings or a second income. Within Contra Costa County, 94553 ranks 11 of 40 ZIPs on affordability (1 = lowest ratio); the county median ratio is 6.8. Renting takes 21.9% of median household income (median rent $2,170 a month), under the 30% cost-burden threshold.

    94553 ranks 354 of 1,558 statewide on median household income and 579 of 1,558 on median home value; its income is in line with the $120,565 Contra Costa County median. 72% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 42% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 6.4%, below the 10.8% statewide ZIP median. Unemployment stands at 5.2%.

    With 796 residents per square mile across 61.6 square miles of land, 94553 is less dense than the statewide ZIP median of 1,120 (rank 835 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 94553 primarily serves Martinez in Contra Costa County, California.

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