ZIP Code 94538 — Fremont, California

    📍 ZIP code 94538 is in Fremont, Alameda County, California.

    ZIP code 94538 is located in Fremont, Alameda County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 66,215. The area code for zip code 94538 is 510.

    ZIP
    94538
    City
    Fremont
    County
    Alameda County
    State
    California
    Time Zone
    Pacific
    Area Code
    510
    Type
    Standard
    USPS City
    Fremont
    Latitude
    37.5014° N
    Longitude
    121.9568° W
    Land Area
    16.5 sq mi
    Water Area
    0.1 sq mi

    ZIP Code 94538 Map

    Coordinates: 37.5014°N, 121.9568°W

    ZIP Code 94538 Demographics

    Population

    Total Population66,215
    Density4,013/sq mi
    Median Age36.3
    Male / Female51.1% / 48.9%

    Income & Economy

    Median Household$143,146
    Per Capita$58,699
    Poverty Rate5%
    Unemployment3.6%

    Housing

    Total Units23,351
    Owner-Occupied44.8%
    Renter-Occupied55.2%
    Median Home Value$1,075,100
    Median Rent$2,753

    Education

    High School Grad90.8%
    Bachelor's Degree53.7%

    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 94538 in Context

    The median home in 94538 is valued at $1,075,100 against a median household income of $143,146, a price-to-income ratio of 7.5. That is above 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 Alameda County, 94538 ranks 16 of 47 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.9. Renting takes 23.1% of median household income (median rent $2,753 a month), under the 30% cost-burden threshold.

    94538 ranks 182 of 1,558 statewide on median household income and 267 of 1,558 on median home value; its income is above the $125,410 Alameda County median. 45% of households own their home, below the 64% statewide ZIP median, so most residents rent. 54% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 5.0%, far below the 10.8% statewide ZIP median and among the lowest in the state. Unemployment stands at 3.6%.

    With 4,013 residents per square mile across 16.5 square miles of land, 94538 is far denser than the statewide ZIP median of 1,120 (rank 509 of 1,558). This is predominantly single-family residential with suburban street patterns.

    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 94538 primarily serves Fremont in Alameda County, California.

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