2010Flipped from RepublicanFinal resultsIncumbent defeated
2010 election for Montana Senate District 25
Montana State Senate · Montana
Kendall Vandyk (D) won with 50.1% of the vote, defeating Roy Brown (R) by 0.1 points, a seat Republicans won last time.
Kendall VandykDemocrat · winner
50.1%3,109
Roy BrownRepublican · incumbent
49.9%3,101
6,210 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET