[1] Located in southeast Wisconsin, the district is composed of parts of western Milwaukee County, and eastern Waukesha County.

It includes the cities of Brookfield and Pewaukee, and the villages of Elm Grove and Pewaukee, as well as most of the cities of Wauwatosa and West Allis, and parts of the cities of Milwaukee and Waukesha.

[2] Rob Hutton is the senator representing the 5th district since January 2023.

[5] The parts of the district in Wauwatosa, Milwaukee, and some of the West Allis precincts are within Wisconsin's 4th congressional district, represented by Gwen Moore.

A list of all previous senators from this district:[6]