[1] Located in southeast Wisconsin, the district comprises the northeast corner of Kenosha County, including all of the village of Somers and the northern half of the city of Kenosha.

Other than the 1982 redistricting, which temporarily scrambled State Assembly districts, the boundaries of the 64th district remained relatively consistent for the next 40 years, confined to the wards of the north side of the city of Kenosha.

Act 43) which moved the district further north to straddle the boundary between Kenosha and Racine counties.

The 2024 map removed all of the Racine County precincts from the district and added all of the rest of the village of Somers and more of the city of Kenosha.

Notable former representatives of this district include George Molinaro, who was the 62nd speaker of the Wisconsin State Assembly, and Peter W. Barca, a one-time U.S. representative (WI-01) and former secretary of the Wisconsin Department of Revenue.