1986Final results
1986 election for Montana House District 75
Montana House of Representatives · Montana
Robert L. Marks (R) won with 67.2% of the vote, defeating Mark Mackin (D) by 34.4 points.
Robert L. MarksRepublican · winner · incumbent
67.2%2,573
Mark MackinDemocrat
32.8%1,255
3,828 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 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET