2024Flipped from DemocraticFinal results
2024 election for U.S. Senate in Montana
U.S. Senate · Montana
Tim Sheehy (R) won with 52.6% of the vote, defeating Jon Tester (D) by 7.1 points, a seat Democrats won last time.
Tim SheehyRepublican · winner
52.6%319,618
Jon TesterDemocrat
45.5%276,252
Sid DaoudLibertarian
1.2%7,269
Robert BarbGreen
0.7%4,003
607,142 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM 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 Oct 1, 2026, 3:26 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Jon TesterTim Sheehy
$93.6M
Raised by the campaign
$30M
$95.7M
Spent by the campaign
$28.6M
$765.6K
Cash on hand
$1.4M
Campaign money: FEC, through Dec 31, 2024.
Source: FEC campaign filingsUpdated Dec 31, 2024
The candidates
Tim Sheehy (R)Jon Tester (D)
Also on the ballot: Sid Daoud (Libertarian), 1.2%; Robert Barb (Green), 0.7%