Michigan Counties by Population (2024)

The most populous counties in Michigan are Wayne County with 1,751,169, Oakland County at 1,270,426, Macomb County with 875,101, Kent County at 661,354, and Genesee County with 401,522. You can get the most current Census population data for all 83 Michigan counties, sorted from the most populous counties in Michigan to the least, according to the 2023 Population Estimates Program.

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