Wisconsin's 38th Assembly district

Wisconsin's 38th
State Assembly district

2024 map defined in 2023 Wisc. Act 94
2022 map defined in Johnson v. Wisconsin Elections Commission
2011 map was defined in 2011 Wisc. Act 43
Assemblymember
  William Penterman
RColumbus
since January 6, 2025 (0 years)
Demographics89.64% White
1.17% Black
5.92% Hispanic
0.98% Asian
1.42% Native American
0.07% Hawaiian/Pacific Islander
Population (2020)
  Voting age
59,247
46,391
WebsiteOfficial website
NotesSouth-central Wisconsin

The 38th Assembly district of Wisconsin is one of 99 districts in the Wisconsin State Assembly. Located in south-central Wisconsin, the district comprises parts of southern Dodge County and northern Jefferson County. It includes the cities of Watertown, Jefferson, Juneau, and Horicon, and the villages of Clyman, Hustisford, Iron Ridge, Johnson Creek, Lowell, and Reeseville. The district is represented by Republican William Penterman, since January 2025; Penterman previously represented the 37th district from July 2021 to January 2025.

The 38th Assembly district is located within Wisconsin's 13th Senate district, along with the 37th and 39th Assembly districts.