ZIP Code 57751 — Keystone, South Dakota

    ZIP code 57751 is located in Keystone, Pennington County, South Dakota. It is a standard zip code in the Mountain Time Zone with an estimated population of 893. The area code for zip code 57751 is 605.

    📍 ZIP code 57751 is in Keystone, Pennington County, South Dakota.

    ZIP
    57751
    City
    Keystone
    County
    Pennington County
    State
    South Dakota

    Quick Facts

    Time Zone
    Mountain
    Area Code
    605
    Type
    Standard
    USPS City
    Keystone
    Latitude
    43.8930° N
    Longitude
    103.423° W
    Land Area
    78.6 sq mi
    Water Area
    0.3 sq mi
    Ad Unit: zip-top

    Map of ZIP Code 57751

    Coordinates: 43.8930° N, 103.423° W

    ZIP Code 57751 Demographics

    Population

    Total893
    Density11/sq mi
    Median Age54.2
    Male51%
    Female49%

    Income & Housing

    Median HH Income$97,969
    Per Capita$45,800
    Poverty Rate4.2%
    Home Value$340,000
    Median Rent$950

    Education & Housing

    HS Graduate94.2%
    Bachelor's+30.4%
    Housing Units680
    Owner-Occupied74%
    Renter-Occupied26%

    All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures.

    Ad Unit: zip-mid

    Nearby Zip Codes

    Cities & Places Served

    ZIP code 57751 primarily serves Keystone in Pennington County, South Dakota.

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