1984Final results
1984 election for Montana House District 12
Montana House of Representatives · Montana
Dennis Iverson (R) won with 75.8% of the vote, defeating Donald R. Marble (D) by 51.7 points.
Dennis IversonRepublican · winner · incumbent
75.8%2,943
Donald R. MarbleDemocrat
24.2%938
3,881 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET