U.S. Senate elections in Montana

38 elections · 1914–present · popular vote
Elections won
R 7 · D 3138 Senate elections since 1916
Last decided by
7.1 pts2024, Tim Sheehy over Jon Tester
Closest ever
0.71 pts1942, James E. Murray over Wellington D. Rankin
Longest streak
13 in a rowDemocratic, 1948–1984
Next election
2026Tuesday, November 3, 2026

Montana's U.S. Senate seats are held by Republican Steve Daines and Republican Tim Sheehy; Sheehy won the most recent race by 7.1 points in 2024. Daines has held one seat since 2014 and Sheehy the other since 2024. The 2024 race put Sheehy ahead of Jon Tester, 7.1 points clear. Across 38 elections since 1916, Republicans have won 7 and Democrats 31. Of those, the closest was 1942, decided by 0.71 points; the widest 1958, by 52.4 points.

Tim Sheehy R 319,682 · Jon Tester D 276,305 · Sid Daoud L 7,272 · Robert Barb G 4,003
Max Baucus D 204,853 · Mike Taylor R 103,611 · Stan Jones L 10,420 · Bob Kelleher G 7,653