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County results Clark: 50–60% 60–70% 70–80% Miller: 50–60% 60–70% | |||||||||||||||||
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The1972 United States Senate election in Iowa took place on November 7, 1972. Incumbent Republican U.S. SenatorJack Miller ran for re-election to a third term but was defeated by DemocratDick Clark.Iowa was one of fifteen states alongsideAlabama,Arkansas,Colorado,Delaware,Georgia,Louisiana,Maine,Minnesota,Mississippi,Montana,New Hampshire,Rhode Island,South Dakota andWest Virginia that were won by Republican presidentRichard Nixon in 1972 that elected Democrats to the United States Senate.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Jack Miller (incumbent) | 170,590 | 84.36% | |
| Republican | Ralph Scott | 31,607 | 15.63% | |
| Republican | All others | 11 | 0.01% | |
| Total votes | 202,208 | 100.00% | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Dick Clark | 662,637 | 55.07% | ||
| Republican | Jack Miller (incumbent) | 530,525 | 44.09% | ||
| American | William A. Rocap, Jr. | 8,954 | 0.74% | N/A | |
| Independent | Fred R. Benton | 1,203 | 0.10% | N/A | |
| Write-in | 14 | 0.00% | N/A | ||
| Total votes | 1,203,333 | 100.00% | N/A | ||
| Democraticgain fromRepublican | |||||