# 1984 United States Senate election in Montana

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The 1984 United States Senate election in Montana took place on November 6, 1984. Incumbent United States Senator Max Baucus, who was first elected in 1978, ran for re-election. He easily won renomination in the Democratic primary, and advanced to the general election, where he faced Chuck Cozzens, a former State Representative and the Republican nominee. Despite President Ronald Reagan's strong performance in the state that year, Baucus was able to easily win a second term over Cozzens.

## Democratic primary
### Candidates

* Max Baucus, incumbent Senator
* Bob Ripley

### Results

Democratic Party primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Max Baucus (incumbent) | 80,726 | 79.37% |
| | Democratic | Bob Ripley | 20,979 | 20.63% |
| Total votes | Total votes | Total votes | 101,705 | 100.00% |

## Republican primary
### Candidates

* Chuck Cozzens, former State Representative
* Ralph Bouma, retired farmer
* Aubyn Curtiss, State Representative

### Results

Republican Primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Chuck Cozzens | 33,661 | 50.78% |
| | Republican | Ralph Bouma | 17,900 | 27.00% |
| | Republican | Aubyn Curtiss | 14,729 | 22.22% |
| Total votes | Total votes | Total votes | 66,290 | 100.00% |

## General election
### Results

United States Senate election in Montana, 1984 :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Max Baucus (incumbent) | 215,704 | 56.89% | +1.20% |
| | Republican | Chuck Cozzens | 154,308 | 40.70% | −3.61% |
| | Libertarian | Neil Haprin | 9,143 | 2.41% | |
| Majority | Majority | Majority | 61,396 | 16.19% | +4.81% |
| Turnout | Turnout | Turnout | 379,155 | | |
| | Democratic hold | Democratic hold | Swing | | |