ZIP Code 90740 — Seal Beach, California

    📍 ZIP code 90740 is in Seal Beach, Orange County, California.

    ZIP code 90740 is located in Seal Beach, Orange County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 24,604. The area code for zip code 90740 is 562.

    ZIP
    90740
    City
    Seal Beach
    County
    Orange County
    State
    California
    Time Zone
    Pacific
    Area Code
    562
    Type
    Standard
    USPS City
    Seal Beach
    Latitude
    33.7584° N
    Longitude
    118.0750° W
    Land Area
    11.1 sq mi
    Water Area
    1 sq mi

    ZIP Code 90740 Map

    Coordinates: 33.7584°N, 118.0750°W

    ZIP Code 90740 Demographics

    Population

    Total Population24,604
    Density2,217/sq mi
    Median Age60.8
    Male / Female44.1% / 55.9%

    Income & Economy

    Median Household$75,007
    Per Capita$65,967
    Poverty Rate6.3%
    Unemployment4.3%

    Housing

    Total Units14,301
    Owner-Occupied76.3%
    Renter-Occupied23.7%
    Median Home Value$476,600
    Median Rent$2,305

    Education

    High School Grad94.3%
    Bachelor's Degree51.1%

    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 90740 in Context

    The median home in 90740 is valued at $476,600 against a median household income of $75,007, a price-to-income ratio of 6.4. That is in line with 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, 90740 ranks 9 of 87 ZIPs on affordability (1 = lowest ratio); the county median ratio is 7.9. Renting takes 36.9% of median household income (median rent $2,305 a month), above the 30% cost-burden threshold.

    90740 ranks 986 of 1,558 statewide on median household income and 970 of 1,558 on median home value; its income is below the $116,618 Orange County median. 76% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 51% of adults hold a bachelor's degree or higher, far above the 31% median, and the poverty rate is 6.3%, below the 10.8% statewide ZIP median. Unemployment stands at 4.3%.

    With 2,217 residents per square mile across 11.1 square miles of land, 90740 is far denser than the statewide ZIP median of 1,120 (rank 679 of 1,558). This is a low-density pattern of large lots, small towns or scattered subdivisions.

    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 90740 primarily serves Seal Beach in Orange County, California.

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