2006Final results
2006 election for Montana House District 70
Montana House of Representatives · Montana
Roger Koopman (R) won with 52.9% of the vote, defeating John Vincent (D) by 5.8 points.
Roger KoopmanRepublican · winner · incumbent
52.9%2,630
John VincentDemocrat
47.1%2,342
4,972 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 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET