1984 general · November 6, 1984
1984 Montana State Senate election results, district by district
Every Montana State Senate district in the 1984 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 50 seats
After the electionD 28 · R 22
Races25
Changed party8
Unopposed16%4 races
Incumbents defeated3
Every district
D 13 · R 12
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-2 | Bob Brown (R) | 42.4 | |
| SD-4 | Ray Lybeck (D) | 7.2 | FlippedIncumbent lost |
| SD-9 | H. W. Hammond (R) | 19.2 | |
| SD-10 | Ed B. Smith (R) | Unopposed | |
| SD-11 | Larry J. Tveit (R) | 40.4 | Flipped |
| SD-13 | Les J. Hirsch (D) | 8.3 | Incumbent lost |
| SD-15 | Bob Williams (D) | 3.5 | |
| SD-19 | Gene Thayer (R) | 6.7 | FlippedIncumbent lost |
| SD-21 | Ted Neuman (D) | 20.2 | |
| SD-23 | Joseph P. Mazurek (D) | Unopposed | Flipped |
| SD-25 | Ethel M. Harding (R) | 32.6 | Flipped |
| SD-26 | George McCallum (R) | 28.4 | |
| SD-27 | R. J. Pinsoneault (D) | 0.1 | |
| SD-30 | Fred Vanvalkenberg (D) | 6.3 | |
| SD-31 | William E. Farrell (R) | 14.8 | Flipped |
| SD-33 | Jack Haffey (D) | 3.5 | |
| SD-35 | Lawrence C. Stimatz (D) | Unopposed | |
| SD-36 | Judy H. Jacobson (D) | Unopposed | |
| SD-37 | John H. Anderson (R) | 32.0 | |
| SD-40 | Dorothy Eck (D) | 13.4 | |
| SD-44 | Thomas F. Keating (R) | 30.4 | Flipped |
| SD-45 | Bruce D. Crippen (R) | 22.5 | |
| SD-48 | Tom Hager (R) | 36.4 | Flipped |
| SD-49 | Esther G. Bengston (D) | 5.0 | |
| SD-50 | Bill Yellowtail (D) | 14.8 |
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