2020Final results
2020 election for Montana Senate District 40
Montana State Senate · Montana
Terry J. Gauthier (R) won with 60.5% of the vote, defeating Catherine Scott (D) by 20.9 points.
Terry J. GauthierRepublican · winner · incumbent
60.5%8,504
Catherine ScottDemocrat
39.5%5,560
14,064 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET