1986Final results
1986 election for Montana Senate District 8
Montana State Senate · Montana
Greg Jergeson (D) won with 51.2% of the vote, defeating Robert Sivertsen (R) by 2.3 points.
Greg JergesonDemocrat · winner
51.2%2,806
Robert SivertsenRepublican
48.8%2,678
5,484 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