Kenosha is a city and the county seat of Kenosha County in the State of Wisconsin in United States. With a population of 99,218 as of May 2011, Kenosha is the fourth-largest city in Wisconsin. Kenosha is also the fourth-largest city on the western shore of Lake Michigan, following Chicago, Milwaukee, and Green Bay. Kenosha lies on the southwestern shore of Lake Michigan, 35 miles (56 km) south of Milwaukee and 50 miles north of Chicago. Kenosha is part of the U.S.