Overview
Milwaukee County is a county in the U.S. state of Wisconsin. The population was 939,489 at the 2020 census. It is both the most populous and most densely populated county in Wisconsin, containing about 15% of the state's population; it is also the 62nd-most populous county nationwide. The county seat is Milwaukee, the most populous city in Wisconsin. Named after the Milwaukee River, the county was created in 1834 as part of Michigan Territory and organized the following year. Milwaukee County is the most populous county of the Milwaukee metropolitan area, as well as of the Milwaukee–Racine–Waukesha combined statistical area.
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