Wisconsin Counties by Population (2025)

The most populous counties in Wisconsin are Milwaukee County with 924,740, Dane County at 588,347, Waukesha County with 417,029, Brown County at 273,909, and Racine County with 198,651. You can get the most current Census population data for all 72 Wisconsin counties, sorted from the most populous counties in Wisconsin to the least, according to the 2024 Population Estimates Program.

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