ZIP Code 94521 — Concord, California

    📍 ZIP code 94521 is in Concord, Contra Costa County, California.

    ZIP code 94521 is located in Concord, Contra Costa County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 41,092. The area code for zip code 94521 is 925.

    ZIP
    94521
    City
    Concord
    County
    Contra Costa County
    State
    California
    Time Zone
    Pacific
    Area Code
    925
    Type
    Standard
    USPS City
    Concord
    Latitude
    37.9560° N
    Longitude
    121.9562° W
    Land Area
    9.7 sq mi
    Water Area
    0 sq mi

    ZIP Code 94521 Map

    Coordinates: 37.9560°N, 121.9562°W

    ZIP Code 94521 Demographics

    Population

    Total Population41,092
    Density4,236/sq mi
    Median Age43.1
    Male / Female48.8% / 51.2%

    Income & Economy

    Median Household$121,368
    Per Capita$55,235
    Poverty Rate6.1%
    Unemployment5.6%

    Housing

    Total Units15,924
    Owner-Occupied74.3%
    Renter-Occupied25.7%
    Median Home Value$778,300
    Median Rent$2,284

    Education

    High School Grad93.6%
    Bachelor's Degree41.1%

    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 94521 in Context

    The median home in 94521 is valued at $778,300 against a median household income of $121,368, 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 Contra Costa County, 94521 ranks 14 of 40 ZIPs on affordability (1 = lowest ratio); the county median ratio is 6.8. Renting takes 22.6% of median household income (median rent $2,284 a month), under the 30% cost-burden threshold.

    94521 ranks 331 of 1,558 statewide on median household income and 516 of 1,558 on median home value; its income is in line with the $120,565 Contra Costa County median. 74% of households own their home, above the 64% statewide ZIP median, making this a majority-owner ZIP. 41% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 6.1%, below the 10.8% statewide ZIP median. Unemployment stands at 5.6%.

    With 4,236 residents per square mile across 9.7 square miles of land, 94521 is far denser than the statewide ZIP median of 1,120 (rank 497 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 94521 primarily serves Concord in Contra Costa County, California.

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