The 48th Assembly District of Wisconsin is one of 99 districts in the Wisconsin State Assembly. Located in south-central Wisconsin, the district comprises parts of northeast Dane County and the towns of Elba and Portland in southwest Dodge County. It includes the city of Sun Prairie, and parts of the city of Madison including the Ridgewood, Mayfair Park, Burke Heights and High Crossing neighborhoods. The district also contains East Towne Mall. The seat is represented by Democrat Samba Baldeh since January 2021.

The 16th Senate District of Wisconsin is one of 33 districts in the Wisconsin Senate. Located in south-central Wisconsin, the district comprises much of eastern Dane County, western Jefferson County, and part of southwest Dodge County. It includes the cities of Fitchburg, Fort Atkinson, Lake Mills, Stoughton, Sun Prairie, and Waterloo, and the villages of Cottage Grove, Deerfield, and Marshall, and parts of the city of Madison and the village of McFarland. It also contains Lake Kegonsa State Park and most of Lake Koshkonong.