The 1954 United States Senate election in Iowa took place on November 2, 1954. Incumbent Democratic Senator Guy Gillette ran for re-election to a second term but was defeated by Republican U.S. Representative Thomas E. Martin.
| |||||||||||||||||
| |||||||||||||||||
County results Martin: 50–60% 60–70% 70–80% Gillette: 50–60% 60–70% Tie: 40–50% | |||||||||||||||||
|
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% |