ZIP Code 94002 — Belmont, California

    📍 ZIP code 94002 is in Belmont, San Mateo County, California.

    ZIP code 94002 is located in Belmont, San Mateo County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 27,893. The area code for zip code 94002 is 650.

    ZIP
    94002
    City
    Belmont
    County
    San Mateo County
    State
    California
    Time Zone
    Pacific
    Area Code
    650
    Type
    Standard
    USPS City
    Belmont
    Latitude
    37.5144° N
    Longitude
    122.2989° W
    Land Area
    5.6 sq mi
    Water Area
    0 sq mi

    ZIP Code 94002 Map

    Coordinates: 37.5144°N, 122.2989°W

    ZIP Code 94002 Demographics

    Population

    Total Population27,893
    Density4,981/sq mi
    Median Age40.9
    Male / Female51.5% / 48.5%

    Income & Economy

    Median Household$184,929
    Per Capita$92,721
    Poverty Rate6.9%
    Unemployment6.5%

    Housing

    Total Units11,579
    Owner-Occupied56.6%
    Renter-Occupied43.4%
    Median Home Value$2,000,001
    Median Rent$2,837

    Education

    High School Grad96.1%
    Bachelor's Degree68.3%

    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 94002 in Context

    The median home in 94002 is valued at more than $2,000,000 (the Census reporting ceiling) against a median household income of $184,929, a price-to-income ratio of at least 10.8. That is far 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, which means a household earning the local median income cannot finance the local median home on conventional terms. Within San Mateo County, 94002 ranks 24 of 28 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.0. Renting takes 18.4% of median household income (median rent $2,837 a month), under the 30% cost-burden threshold.

    94002 ranks 73 of 1,558 statewide on median household income and 1 of 1,558 on median home value; its income is above the $161,447 San Mateo County median. 57% of households own their home, below the 64% statewide ZIP median, making this a majority-owner ZIP. 68% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 6.9%, below the 10.8% statewide ZIP median. Unemployment stands at 6.5%.

    With 4,981 residents per square mile across 5.6 square miles of land, 94002 is far denser than the statewide ZIP median of 1,120 (rank 449 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 94002 primarily serves Belmont in San Mateo County, California.

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