The 31st Assembly district of Wisconsin is one of 99 districts in the Wisconsin State Assembly. Located in southern Wisconsin, the district comprises much of central and southern Walworth County along with part of southeast Rock County. It includes the cities of Delavan and Elkhorn, and the villages of Clinton, Darien, Fontana-on-Geneva Lake, Sharon, and Williams Bay. It also contains historic Yerkes Observatory, Geneva National Golf Club, and most of the Alpine Valley Resort. The district is represented by Republican majority leader Tyler August, since January 2025; August previously represented the 32nd district from 2011 to 2025.
The 31st Assembly district is located within Wisconsin's 11th Senate district, along with the 32nd and 33rd Assembly districts.
List of past representatives +List of representatives to the Wisconsin State Assembly from the 31st districtMemberPartyResidenceCounties representedTerm startTerm endRef.District created Paul Sicula Dem. Milwaukee Milwaukee January 1, 1973 January 3, 1977 Mordecai Lee Dem. January 3, 1977 January 3, 1983 Rep. Lake Mills Jefferson January 3, 1983 January 7, 1985 Joanne Huelsman Rep. Waukesha Waukesha January 7, 1985 January 7, 1991 Daniel P. Vrakas Rep. Hartland January 7, 1991 January 4, 1993 Stephen Nass Rep. Whitewater Jefferson, Walworth, Waukesha January 4, 1993 Rep. Clinton Rock, Walworth January 2, 2023 Rep. January 6, 2025 Tyler August Rep.WalworthJanuary 6, 2025Current
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