Kenosha County is located in the southeastern corner of the U.S. state of Wisconsin. The population was 169,151 as of the 2020 census, making it the eighth most populous county in Wisconsin. The county shares the same name as the city of Kenosha, the fourth largest city in Wisconsin. Kenosha County is part of the Chicago metropolitan area, the fourth most-populous metropolitan area in North America. Kenosha County is situated on the southwestern shore of Lake Michigan.