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.

State Trunk Highway 75 is a 12.10-mile (19.5 km) state highway in the southeastern part of U.S. state of Wisconsin. The highway runs from Wisconsin Highway 50 and Wisconsin Highway 83 in Paddock Lake north to Wisconsin Highway 20 east of Waterford. WIS 75 serves Kenosha and Racine Counties. The highway is maintained by the Wisconsin Department of Transportation.