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 its county seat, 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.

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 located roughly 40 miles (64 km) south of Milwaukee and 66 miles (106 km) north of Chicago and has significant cultural and economic connections to both cities. Interstate 94 runs along Kenosha's western border.