Kenosha is a city in and the seat of Kenosha County, Wisconsin, United States. Per the 2020 census, the population was 99,986 which made …Kenosha is a city in and the seat of Kenosha County, Wisconsin, United States. Per the 2020 census, the population was 99,986 which made it the fourth-most populous city in Wisconsin. Situated on the southwestern shore of Lake Michigan, Kenosha is a satellite city within the greater Milwaukee metropolitan area, and is located roughly 40 miles south of Milwaukee and 66 miles north of Chicago; Interstate 94 runs along Kenosha's western border.