ZIP Code 90621 — Buena Park, California

    📍 ZIP code 90621 is in Buena Park, Orange County, California.

    ZIP code 90621 is located in Buena Park, Orange County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 36,151. The area code for zip code 90621 is 714.

    ZIP
    90621
    City
    Buena Park
    County
    Orange County
    State
    California
    Time Zone
    Pacific
    Area Code
    714
    Type
    Standard
    USPS City
    Buena Park
    Latitude
    33.8742° N
    Longitude
    117.9934° W
    Land Area
    4.2 sq mi
    Water Area
    0 sq mi

    ZIP Code 90621 Map

    Coordinates: 33.8742°N, 117.9934°W

    ZIP Code 90621 Demographics

    Population

    Total Population36,151
    Density8,607/sq mi
    Median Age35.7
    Male / Female50.2% / 49.8%

    Income & Economy

    Median Household$88,735
    Per Capita$35,170
    Poverty Rate11.3%
    Unemployment6.6%

    Housing

    Total Units11,235
    Owner-Occupied36.6%
    Renter-Occupied63.4%
    Median Home Value$732,400
    Median Rent$1,927

    Education

    High School Grad83.8%
    Bachelor's Degree31%

    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 90621 in Context

    The median home in 90621 is valued at $732,400 against a median household income of $88,735, a price-to-income ratio of 8.3. 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 Orange County, 90621 ranks 50 of 87 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.9. Renting takes 26.1% of median household income (median rent $1,927 a month), under the 30% cost-burden threshold.

    90621 ranks 759 of 1,558 statewide on median household income and 570 of 1,558 on median home value; its income is below the $116,618 Orange County median. 37% of households own their home, below the 64% statewide ZIP median, so most residents rent. 31% of adults hold a bachelor's degree or higher, in line with the 31% median, and the poverty rate is 11.3%, in line with the 10.8% statewide ZIP median. Unemployment stands at 6.6%.

    With 8,607 residents per square mile across 4.2 square miles of land, 90621 is far denser than the statewide ZIP median of 1,120 (rank 217 of 1,558). This is a mixed urban fabric of apartments, small-lot houses and commercial corridors.

    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 90621 primarily serves Buena Park in Orange County, California.

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