The 1974 United States Senate election in Iowa took place on November 5, 1974. Incumbent Democratic U.S. Senator Harold E. Hughes retired. The open seat was won by U.S. Representative John C. Culver, defeating Republican State Representative David M. Stanley. As of 2024[update], this was the most recent election in which a Democrat, or anyone other than Chuck Grassley, has won the Class 3 Senate seat in Iowa.
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County results Culver: 40–50% 50–60% 60–70% Stanley: 40-50% 50-60% 60-70% 70-80% | |||||||||||||||||
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Party | Candidate | Votes | % | |
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Republican | David M. Stanley | 87,464 | 66.93% | |
Republican | George Milligan | 43,206 | 33.06% | |
Write-in | All others | 6 | 0.01% | |
Total votes | 130,676 | 100.00% |
Party | Candidate | Votes | % | ±% | |
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Democratic | John C. Culver | 426,947 | 50.02% | 0.23 | |
Republican | David M. Stanley | 420,546 | 49.27% | 0.42 | |
American Independent | Lorin Oxley | 6,028 | 0.71% | N/A | |
Total votes | 853,521 | 100.00% | |||
Democratic hold | Swing |