The 46th Assembly District of Wisconsin is one of 99 districts in the Wisconsin State Assembly. Located in southern Wisconsin, the district comprises most of the west half of Jefferson County and parts of eastern Dane County. It includes the cities of Fort Atkinson, Lake Mills, and Waterloo, and the villages of Cambridge, Deerfield, and Rockdale, along with nearly all of the village of Cottage Grove and part of the village of McFarland. The district also contains Aztalan State Park and the Goose Lake Wildlife Area. The district is represented by Democrat Melissa Ratcliff, since January 2023.

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.