2012 Indiana U.S. Senate Election

Indiana · 3 candidates · See every 2012 U.S. Senate race

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

Joe Donnelly won the 2012 Indiana U.S. Senate Election. Joe Donnelly received 1,281,181 popular votes (50.04%). The main challenger was Richard E. Mourdock (44.28%).

See the full head-to-head between Donnelly and Mourdock

Donnelly +5.8 pts · won by 147,560 votes

Joe Donnelly DemocraticWINNER50.04%

1,281,181 votes

Richard E. Mourdock Republican44.28%

1,133,621 votes

Andrew ??andy?? HorningLibertarian5.67%

145,282 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.