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    Ionia County, MI Zip Codes

    11 zip codes across 10 cities in Ionia County, MI

    About Ionia County

    Ionia County, Michigan (MI) contains 11 unique zip codes spanning 10 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 Ionia County.

    Total Zip Codes

    11

    Cities

    10

    County

    Ionia

    State

    MI

    Cities in Ionia County

    All Zip Codes in Ionia County, MI

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    Frequently Asked Questions

    How many zip codes are in Ionia County, MI?

    Ionia County, MI has 11 zip codes across 10 cities.

    What cities are in Ionia County?

    Cities in Ionia County include Belding, Clarksville, Hubbardston, Ionia, Lake Odessa, Lyons, Orleans, Pewamo, Portland, Saranac.

    What state is Ionia County in?

    Ionia County is located in Michigan (MI).

    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.