Wisconsin's 9th Senate district

The 9th Senate District of Wisconsin is one of 33 districts in the Wisconsin Senate. Located in eastern Wisconsin, the district comprises most of Sheboygan County and the parts of eastern and southern Manitowoc County and northeast Fond du Lac County. It contains the cities of Sheboygan, Manitowoc, Two Rivers, Plymouth, Kiel, and Sheboygan Falls, and the villages of Kohler, Oostburg, and Elkhart Lake. The district also contains Sheboygan County Memorial Airport, Whistling Straits golf course, Road America motorsport course, Kohler-Andrae State Park, Lakeland University, and the University of Wisconsin–Green Bay, Sheboygan Campus.

Current elected officials
Devin LeMahieu is the senator representing the 9th district. He was first elected in the 2014 general election.

Each Wisconsin State Senate district is composed of three Wisconsin State Assembly districts. The 9th Senate district comprises the 25th, 26th, and 27th Assembly districts. The current representatives of those districts are:
 * Assembly District 25: Paul Tittl (R–Manitowoc)
 * Assembly District 26: Terry Katsma (R–Oostburg)
 * Assembly District 27: Amy Binsfeld (R–Mosel)

The district is located entirely within Wisconsin's 6th congressional district, which is 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 district has previously been represented by: