2024Final results
2024 election for Montana Senate District 21
Montana State Senate · Montana
Gayle Lammers (R) won with 56.8% of the vote, defeating Sharon Stewart Peregoy (D) by 13.6 points.
Gayle LammersRepublican · winner
56.8%3,796
Sharon Stewart PeregoyDemocrat
43.2%2,885
The same year, the district voted R+2.2 for president; this race was R+13.6.6,681 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET