ZIP Code 94621 — Oakland, California

    📍 ZIP code 94621 is in Oakland, Alameda County, California.

    ZIP code 94621 is located in Oakland, Alameda County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 34,911. The area code for zip code 94621 is 510.

    ZIP
    94621
    City
    Oakland
    County
    Alameda County
    State
    California
    Time Zone
    Pacific
    Area Code
    510
    Type
    Standard
    USPS City
    Oakland
    Latitude
    37.7483° N
    Longitude
    122.2168° W
    Land Area
    8.5 sq mi
    Water Area
    1.8 sq mi

    ZIP Code 94621 Map

    Coordinates: 37.7483°N, 122.2168°W

    ZIP Code 94621 Demographics

    Population

    Total Population34,911
    Density4,107/sq mi
    Median Age32
    Male / Female48.8% / 51.2%

    Income & Economy

    Median Household$53,509
    Per Capita$23,479
    Poverty Rate19.9%
    Unemployment9.9%

    Housing

    Total Units10,716
    Owner-Occupied34.5%
    Renter-Occupied65.5%
    Median Home Value$517,800
    Median Rent$1,507

    Education

    High School Grad69.6%
    Bachelor's Degree14%

    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 94621 in Context

    The median home in 94621 is valued at $517,800 against a median household income of $53,509, a price-to-income ratio of 9.7. 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, 94621 ranks 36 of 47 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.9. Renting takes 33.8% of median household income (median rent $1,507 a month), above the 30% cost-burden threshold.

    94621 ranks 1,366 of 1,558 statewide on median household income and 910 of 1,558 on median home value; its income is far below the $125,410 Alameda County median. 35% of households own their home, below the 64% statewide ZIP median, so most residents rent. 14% of adults hold a bachelor's degree or higher, far below the 31% median, and the poverty rate is 19.9%, far above the 10.8% statewide ZIP median. Unemployment stands at 9.9%.

    With 4,107 residents per square mile across 8.5 square miles of land, 94621 is far denser than the statewide ZIP median of 1,120 (rank 504 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 94621 primarily serves Oakland in Alameda County, California.

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