ZIP Code 94080 — South San Francisco, California

    📍 ZIP code 94080 is in South San Francisco, San Mateo County, California.

    ZIP code 94080 is located in South San Francisco, San Mateo County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 66,262. The area code for zip code 94080 is 650.

    ZIP
    94080
    City
    South San Francisco
    County
    San Mateo County
    State
    California
    Time Zone
    Pacific
    Area Code
    650
    Type
    Standard
    USPS City
    South San Francisco
    Latitude
    37.6555° N
    Longitude
    122.4221° W
    Land Area
    10.2 sq mi
    Water Area
    1.3 sq mi

    ZIP Code 94080 Map

    Coordinates: 37.6555°N, 122.4221°W

    ZIP Code 94080 Demographics

    Population

    Total Population66,262
    Density6,496/sq mi
    Median Age42.2
    Male / Female50% / 50%

    Income & Economy

    Median Household$126,916
    Per Capita$57,924
    Poverty Rate6.7%
    Unemployment2.5%

    Housing

    Total Units23,272
    Owner-Occupied61.6%
    Renter-Occupied38.4%
    Median Home Value$1,111,900
    Median Rent$2,649

    Education

    High School Grad88.3%
    Bachelor's Degree39.3%

    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 94080 in Context

    The median home in 94080 is valued at $1,111,900 against a median household income of $126,916, a price-to-income ratio of 8.8. 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 San Mateo County, 94080 ranks 11 of 28 ZIPs on affordability (1 = lowest ratio); the county median ratio is 9.0. Renting takes 25.0% of median household income (median rent $2,649 a month), under the 30% cost-burden threshold.

    94080 ranks 287 of 1,558 statewide on median household income and 239 of 1,558 on median home value; its income is below the $161,447 San Mateo County median. 62% of households own their home, in line with the 64% statewide ZIP median, making this a majority-owner ZIP. 39% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 6.7%, below the 10.8% statewide ZIP median. Unemployment stands at 2.5%.

    With 6,496 residents per square mile across 10.2 square miles of land, 94080 is far denser than the statewide ZIP median of 1,120 (rank 331 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 94080 primarily serves South San Francisco in San Mateo County, California.

    Frequently Asked Questions

    People Also Searched For

    Related Resources