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 County results Martin: 50–60% 60–70% 70–80% Gillette: 50–60% 60–70% Tie: 40–50% | |||||||||||||||||
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The1954 United States Senate election in Iowa took place on November 2, 1954. Incumbent Democratic SenatorGuy Gillette ran for re-election but was defeated in an upset by Republican U.S. RepresentativeThomas E. Martin.
This was the fifth consecutive election in which the incumbent lost and this seat changed parties.
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | Thomas E. Martin | 442,409 | 52.21% |  10.65 | |
| Democratic | Guy Gillette (incumbent) | 402,712 | 47.53% |  10.27 | |
| Republicsons | Ernest J. Seemann | 2,234 | 0.26% | N/A | |
| Total votes | 847,355 | 100.00% | |||
