2018 Indiana U.S. Senate Election

Indiana · 3 candidates · See every 2018 U.S. Senate race

Who won the 2018 Indiana U.S. Senate Election?

Mike Braun won the 2018 Indiana U.S. Senate Election. Mike Braun received 1,158,000 popular votes (50.73%). The main challenger was Joe Donnelly (44.84%).

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

Braun +5.9 pts · won by 134,447 votes

Mike Braun RepublicanWINNER50.73%

1,158,000 votes

Joe Donnelly Democratic44.84%

1,023,553 votes

Lucy M. BrentonLibertarian4.42%

100,942 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.