1984 general · November 6, 1984
1984 Montana election results
Every race on Montana's ballot in the 1984 general election: winners, margins and seats that changed party.
Races130
Changed party57
Unopposed20%26 races
Incumbents defeated13
President
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Montana | Ronald Reagan (R) | 22.3 |
U.S. Senate
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Montana | Max Baucus (D) | 16.2 |
Governors
D 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| Montana | Ted Schwinden (D) | 45.4 |
U.S. House
D 1 · R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| MT-1 | Pat Williams (D) | 33.7 | |
| MT-2 | Ronald Marlenee (R) | 31.8 |
Montana State Senate
D 13 · R 12 · 8 changed party
| 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 House of Representatives
D 50 · R 50 · 49 changed party
Montana
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse); Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab