2012 Wisconsin U.S. Senate Election

Wisconsin · 4 candidates · See every 2012 U.S. Senate race

Who won the 2012 Wisconsin U.S. Senate Election?

Tammy Baldwin won the 2012 Wisconsin U.S. Senate Election. Tammy Baldwin received 1,547,104 popular votes (51.41%). The main challenger was Tommy G. Thompson (45.86%).

See the full head-to-head between Baldwin and Thompson

Baldwin +5.5 pts · won by 166,978 votes

Tammy Baldwin DemocraticWINNER51.41%

1,547,104 votes

Tommy G. Thompson Republican45.86%

1,380,126 votes

Joseph KexelLibertarian2.07%

62,240 votes

Nimrod Y. U. Allen IIII.d.e.a.0.55%

16,455 votes

Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.