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    Sangamon County, IL Zip Codes

    24 zip codes across 19 cities in Sangamon County, IL

    About Sangamon County

    Sangamon County, Illinois (IL) contains 24 unique zip codes spanning 19 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.

    Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Sangamon County.

    Total Zip Codes

    24

    Cities

    19

    County

    Sangamon

    State

    IL

    Cities in Sangamon County

    All Zip Codes in Sangamon County, IL

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    Frequently Asked Questions

    How many zip codes are in Sangamon County, IL?

    Sangamon County, IL has 24 zip codes across 19 cities.

    What cities are in Sangamon County?

    Cities in Sangamon County include Auburn, Buffalo, Cantrall, Chatham, Dawson, Divernon, Illiopolis, Loami, Mechanicsburg, New Berlin, Pawnee, Pleasant Plains, Riverton, Rochester, Sherman, Springfield, Thayer, Williamsville, Zcta 627hh.

    What state is Sangamon County in?

    Sangamon County is located in Illinois (IL).

    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. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.