ZIP Code 95603 — Auburn, California

    📍 ZIP code 95603 is in Auburn, Placer County, California.

    ZIP code 95603 is located in Auburn, Placer County, California. It is a standard zip code in the Pacific Time Zone with an estimated population of 28,366. The area code for zip code 95603 is 530.

    ZIP
    95603
    City
    Auburn
    County
    Placer County
    State
    California
    Time Zone
    Pacific
    Area Code
    530
    Type
    Standard
    USPS City
    Auburn
    Latitude
    38.9159° N
    Longitude
    121.0803° W
    Land Area
    35.8 sq mi
    Water Area
    0.7 sq mi

    ZIP Code 95603 Map

    Coordinates: 38.9159°N, 121.0803°W

    ZIP Code 95603 Demographics

    Population

    Total Population28,366
    Density792/sq mi
    Median Age48.4
    Male / Female47.6% / 52.4%

    Income & Economy

    Median Household$78,933
    Per Capita$48,796
    Poverty Rate12.6%
    Unemployment3.1%

    Housing

    Total Units12,799
    Owner-Occupied65.8%
    Renter-Occupied34.2%
    Median Home Value$585,300
    Median Rent$1,391

    Education

    High School Grad92.5%
    Bachelor's Degree33%

    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 95603 in Context

    The median home in 95603 is valued at $585,300 against a median household income of $78,933, a price-to-income ratio of 7.4. 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 Placer County, 95603 ranks 22 of 27 ZIPs on affordability (1 = lowest ratio); the county median ratio is 5.9. Renting takes 21.1% of median household income (median rent $1,391 a month), under the 30% cost-burden threshold.

    95603 ranks 910 of 1,558 statewide on median household income and 811 of 1,558 on median home value; its income is below the $105,789 Placer County median. 66% of households own their home, in line with the 64% statewide ZIP median, making this a majority-owner ZIP. 33% of adults hold a bachelor's degree or higher, above the 31% median, and the poverty rate is 12.6%, above the 10.8% statewide ZIP median. Unemployment stands at 3.1%.

    With 792 residents per square mile across 35.8 square miles of land, 95603 is less dense than the statewide ZIP median of 1,120 (rank 837 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 95603 primarily serves Auburn in Placer County, California.

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