# 1942 United States Senate election in Wyoming

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The 1942 United States Senate election in Wyoming was held on November 3, 1942. Democratic Senator Harry Schwartz ran for re-election to his second term. He was challenged by businessman Edward V. Robertson, who emerged from a close and hotly contested Republican primary as the narrow winner. Aided in part by the national swing toward Republicans in 1942, Robertson defeated Schwartz for re-election by a decisive margin.

## Democratic primary
### Candidates

* Harry Schwartz, incumbent U.S. Senator

### Results

Democratic primary :
| Party | Party | Candidate | Votes | % |
| | Democratic | Harry Schwartz (inc.) | 19,838 | 100.00% |
| Total votes | Total votes | Total votes | 19,838 | 100.00% |

## Republican primary
### Candidates

* Edward V. Robertson, businessman
* Arthur G. Crane, former President of the University of Wyoming
* Tim McCoy, actor
* Walter A. Muir, former Mayor of Rock Springs
* Ralph R. Crow, former State Representative, 1940 Republican candidate for the U.S. Senate
* Alonzo M. Clark, former Governor of Wyoming

### Results

Republican primary :
| Party | Party | Candidate | Votes | % |
| | Republican | Edward V. Robertson | 8,128 | 27.77% |
| | Republican | A. G. Crane | 7,614 | 26.02% |
| | Republican | Tim McCoy | 6,854 | 23.42% |
| | Republican | Walter A. Muir | 3,467 | 11.85% |
| | Republican | Ralph R. Crow | 1,796 | 6.14% |
| | Republican | Alonzo M. Clark | 1,408 | 4.81% |
| Total votes | Total votes | Total votes | 29,267 | 100.00% |

## General election
### Results

1942 United States Senate election in Wyoming :
| Party | Party | Candidate | Votes | % | ±% |
| | Republican | Edward V. Robertson | 41,486 | 54.59% | +9.19% |
| | Democratic | Harry Schwartz (inc.) | 45,483 | 45.41% | −8.42% |
| Majority | Majority | Majority | 6,983 | 9.19% | +0.77% |
| Turnout | Turnout | Turnout | 75,989 | | |
| | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic | Republican gain from Democratic |