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County results McGovern: 50–60% 60–70% Thorsness: 50–60% 60-70% 70–80% | |||||||||||||||||
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| Elections in South Dakota |
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The 1974 United States Senate election in South Dakota was held on November 5, 1974. Incumbent Democratic U.S. Senator George McGovern ran for reelection to a third term and won.
McGovern's reelection was notable for the fact two years prior, in the 1972 presidential election, McGovern lost his home state by 9 points to Richard Nixon, yet won his Senate reelection bid by 7 points, marking a sixteen point swing in two years.
Primary elections were held on June 4, 1974.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | George McGovern (incumbent) | unopposed | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Leo K. Thorsness | 49,716 | 52.35% | |
| Republican | Al Schock | 35,406 | 37.28% | |
| Republican | Barbara B. Gunderson | 9,852 | 10.37% | |
| Total votes | 94,974 | 100.00% | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | George McGovern (incumbent) | 147,929 | 53.04 | |
| Republican | Leo K. Thorsness | 130,955 | 46.96 | |
| Majority | 16,974 | 6.08 | ||
| Turnout | 278,884 | |||
| Democratic hold | ||||