The 21st Senate District of Wisconsin is one of 33 districts in the Wisconsin State Senate. Located in southeastern Wisconsin, the district comprises most of Kenosha and Racine counties. The district includes the city of Burlington and part of the city of Racine, as well as the villages of Bristol, Caledonia, Paddock Lake, Pleasant Prairie, Rochester, Salem Lakes, Sturtevant, Twin Lakes, and Union Grove, and the portions of the villages of Mount Pleasant and Somers west of Wisconsin Highway 31.
