2026 general · November 3, 2026
2026 Montana election results
Every race on Montana's ballot in the 2026 general election: winners, margins and seats that changed party.
Races128
Changed party3
Unopposed13%17 races
Incumbents defeated1
U.S. Senate
R 1
U.S. House
D 1 · R 1 · 1 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| MT-1 | Sam Forstag (D) | 3.6 | Flipped |
| MT-2 | Troy Downing (R) | 26.0 |
Montana State Senate
D 11 · R 14
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Steve Gunderson (R) | 51.3 | |
| SD-4 | Amy Regier (R) | 19.5 | |
| SD-6 | Mark Noland (R) | 37.6 | |
| SD-8 | Tyson T. Running Wolf (D) | 23.9 | |
| SD-9 | Llew Jones (R) | 50.3 | |
| SD-10 | Margaret Mitchell (D) | 13.3 | |
| SD-11 | Steven Galloway (R) | 8.7 | |
| SD-12 | George Nikolakakos (R) | 4.2 | |
| SD-14 | Eric Albus (R) | 32.2 | |
| SD-18 | Greg Kmetz (R) | 49.7 | |
| SD-19 | Chris Rindal (R) | 58.2 | |
| SD-22 | Daniel Zolnikov (R) | Unopposed | |
| SD-23 | Emma Kerr-Carpenter (D) | 13.8 | |
| SD-25 | Dennis Lenz (R) | 14.1 | |
| SD-28 | Forrest Mandeville (R) | 37.0 | |
| SD-29 | Scott Rosenzweig (D) | 12.9 | |
| SD-31 | Kathleen Williams (D) | 38.8 | |
| SD-32 | Kelly Kortum (D) | 27.4 | |
| SD-34 | Caleb Hinkle (R) | 22.0 | |
| SD-41 | Erin Farris-Olsen (D) | 31.0 | |
| SD-42 | Mary Ann Dunwell (D) | 1.1 | |
| SD-43 | Dave Bedey (R) | 47.7 | |
| SD-48 | Andrea Olsen (D) | Unopposed | |
| SD-49 | Willis Curdy (D) | 33.3 | |
| SD-50 | Shane Morigeau (D) | Unopposed |
Montana House of Representatives
D 44 · R 56 · 2 changed party
Montana
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)