2020Flipped from DemocraticFinal results
2020 election for Montana Governor
Governor · Montana
Greg Gianyes (R) won with 54.4% of the vote, defeating Mike Cooney And Casey Schreiner (D) by 12.9 points, a seat Democrats won last time.
Greg GianyesRepublican · winner
54.4%328,548
Mike Cooney And Casey SchreinerDemocrat
41.6%250,860
Lyman Bishop And John NesperLibertarian
4.0%24,179
603,587 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:26 PM 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 Sep 30, 2026, 12:26 PM ET
The candidates
Greg Gianyes (R)Mike Cooney And Casey Schreiner (D)
Also on the ballot: Lyman Bishop And John Nesper (Libertarian), 4.0%