1990 general · November 6, 1990
1990 Montana State Senate election results, district by district
Every Montana State Senate district in the 1990 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 50 seats
After the electionD 29 · R 21
Races25
Changed party8
Unopposed16%4 races
Incumbents defeated7
Every district
D 18 · R 7
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Eleanor Vaughn (D) | 7.3 | |
| SD-3 | John Kennedy (D) | 0.1 | FlippedIncumbent lost |
| SD-5 | Delwyn Gage (R) | Unopposed | |
| SD-6 | Gary Aklestad (R) | 12.9 | |
| SD-7 | Robert G. Hockett (D) | 5.3 | Flipped |
| SD-8 | Greg Jergeson (D) | Unopposed | |
| SD-12 | Betty Bruski (D) | 2.7 | |
| SD-14 | Cecil Weeding (D) | 17.7 | |
| SD-16 | Francis Koehnke (D) | 13.9 | Flipped |
| SD-17 | Eve Franklin (D) | 18.7 | FlippedIncumbent lost |
| SD-18 | Richard E. Manning (D) | 37.6 | |
| SD-20 | Steve Doherty (D) | 16.7 | |
| SD-22 | Mignon Waterman (D) | 20.8 | FlippedIncumbent lost |
| SD-24 | Tom Beck (R) | 6.7 | |
| SD-28 | Harry Fritz (D) | Unopposed | |
| SD-29 | Mike Halligan (D) | Unopposed | |
| SD-32 | Bernie Swift (R) | 5.5 | |
| SD-34 | John J. D. Lynch (D) | 67.2 | |
| SD-38 | Jack Rea (D) | 4.8 | FlippedIncumbent lost |
| SD-39 | Don Bianchi (D) | 7.3 | Incumbent lost |
| SD-41 | Lorents Grosfield (R) | 23.3 | |
| SD-42 | James H. Burnett (R) | 0.6 | |
| SD-43 | Chet Blaylock (D) | 1.4 | |
| SD-46 | Thomas E. Towe (D) | 10.5 | FlippedIncumbent lost |
| SD-47 | David Rye (R) | 2.1 | FlippedIncumbent lost |
Montana State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner