Wisconsin's 8th Senate district

The 8th Senate District of Wisconsin is one of 33 districts of the Wisconsin Senate. Located in southeast Wisconsin, the district comprises northeastern Milwaukee County, southern Ozaukee County, and parts of southeast Washington County, and northeast Waukesha County. It contains the cities of Cedarburg, Port Washington, and Mequon, as well as the villages of Bayside, Butler, Fox Point, Grafton, Lannon, Menomonee Falls, River Hills, Thiensville, Whitefish Bay, and most of the villages of Brown Deer and Germantown.

Current elected officials
Dan Knodl is the senator representing the 8th district. He was first elected in a 2023 special election, following the resignation of Alberta Darling. He previously served fourteen years in the Wisconsin State Assembly.

Each Wisconsin State Senate district is composed of three State Assembly districts. The 8th Senate district comprises the 22nd, 23rd, and 24th Assembly districts. The current representatives of those districts are:
 * Assembly District 22: Janel Brandtjen (R–Menomonee Falls)
 * Assembly District 23: Deb Andraca (D–Whitefish Bay)
 * Assembly District 24: Paul Melotik (R–Grafton)

The 8th Senate district, in its current borders, crosses three different congressional districts. The Milwaukee County portions of the district fall within Wisconsin's 4th congressional district, represented by U.S. representative Gwen Moore; the Washington County and Waukesha County portions of the district fall within Wisconsin's 5th congressional district, represented by U.S. representative Scott L. Fitzgerald; and the Ozaukee County portions of the district fall within Wisconsin's 6th congressional district, represented by U.S. representative Glenn Grothman.

Past senators
Note: the boundaries of districts have changed repeatedly over history. Previous politicians of a specific numbered district have represented a completely different geographic area, due to redistricting.

The Eighth District as originally created consisted of Green County. It was represented by: