U.S. Senate elections in Wisconsin

Wisconsin's U.S. Senate seats are held by Republican Ron Johnson and Democrat Tammy Baldwin; Baldwin won the most recent race by 0.85 points in 2024. Johnson has held one seat since 2010 and Baldwin the other since 2012. The 2024 race put Baldwin ahead of Eric Hovde, 0.85 points clear. Across 41 elections since 1914, Republicans have won 18 and Democrats 21, with 2 going to other parties. Of those, the closest was 1914, decided by 0.31 points; the widest 1928, by 74.6 points.