# 1958 United States Senate election in Wyoming

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vte :
The 1958 United States Senate election in Wyoming took place November 4, 1958. Incumbent Republican Senator Frank A. Barrett ran for re-election to his second term. He was challenged by Gale W. McGee, a University of Wyoming professor and the Democratic nominee. Despite the state's strong Republican lean, McGee ran an energetic campaign against Barrett, earning the support of the national Democratic establishment. McGee ultimately narrowly upset Barrett, winning 51% of the vote to Barrett's 49%.

## Democratic primary
### Candidates

* Gale W. McGee, University of Wyoming professor, former aide to Senator Joseph C. O'Mahoney
* Hepburn T. Armstrong, businessman

### Results

Democratic primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Gale McGee | 22,098 | 59.53% |
| | Democratic | Hepburn T. Armstrong | 15,024 | 40.47% |
| Total votes | Total votes | Total votes | 37,122 | 100.00% |

## Republican primary
### Candidates

* Frank A. Barrett, Incumbent U.S. Senator

### Results

Republican primary :
| Party | Party | Candidate | Votes | % |
| | Republican | Frank A. Barrett (inc.) | 35,444 | 100.00% |
| Total votes | Total votes | Total votes | 35,444 | 100.00% |

## General election
### Results

1958 United States Senate election in Wyoming :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Gale W. McGee | 58,035 | 50.84% | +2.47% |
| | Republican | Frank A. Barrett (inc.) | 56,122 | 49.16% | −2.47% |
| Majority | Majority | Majority | 1,913 | 1.68% | −1.59% |
| Turnout | Turnout | Turnout | 114,157 | | |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## Endorsements

Cabinet officials
* Ezra Taft Benson, 13th United States Secretary of Agriculture (1953–1961)
* Richard Nixon, 36th Vice President of the United States (1953–1961)
* Fred A. Seaton, 36th United States Secretary of the Interior (1956–1961)
U.S. Senators
* Everett Dirksen, U.S. Senator from Illinois (1951–1969)
* Roman Hruska, U.S. Senator from Nebraska (1954–1976)
* Karl Mundt, U.S. Senator from South Dakota (1948–1973)
U.S. Presidents
* Harry S. Truman, 33rd President of the United States (1945–1953)
U.S. Senators
* Lyndon B. Johnson, U.S. Senator from Texas (1949–1961)
* John F. Kennedy, U.S. Senator from Massachusetts (1953–1960)
* Edmund Muskie, U.S. Senator from Maine (1959–1980)
* Joseph Montoya, U.S. Senator from New Mexico (1964–1977)
* Wayne Morse, U.S. Senator from Oregon (1945–1969)
* Joseph C. O'Mahoney, U.S. Senator from Wyoming (1934–1953; 1954–1961)