Jason Ellsworth Republican Matt Regier Republican The 2024 Montana Senate election was held on November 5, 2024, alongside the 2024 United States elections.

[1] This was the first election under new legislative lines adopted by an independent, bipartisan commission in 2023.

[1] One incumbent senator, a Republican, was defeated in the June 4 primary election.

[3] Summary of the November 5, 2024 Montana Senate election results Districts where the margin of victory was under 10%: [5][6] Incumbent Republican Carl Glimm had represented the 2nd district since 2021.

Due to redistricting, Glimm decided to run in the 3rd district.