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 County results Bulow: 50–60% 60–70% >90% McMaster: 50–60% 60–70% 70–80% | |||||||||||||||||
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| Elections in South Dakota | ||
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The1930 United States Senate election in South Dakota took place on November 4, 1930. Incumbent Republican SenatorWilliam H. McMaster ran for re-election to a second term. After beating back a challenge in the Republican primary from former State Senator George J. Danforth, McMaster faced Democratic nomineeWilliam J. Bulow, the incumbent Governor, in the general election. As the Democratic Party performed wellnationwide, Bulow narrowly defeated McMaster.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | William J. Bulow | 16,520 | 73.88% | |
| Democratic | James McNamara | 5,840 | 26.12% | |
| Total votes | 22,360 | 100.00% | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | William H. McMaster (inc.) | 64,331 | 55.92% | |
| Republican | George J. Danforth | 50,717 | 44.08% | |
| Total votes | 115,048 | 100.00% | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | William J. Bulow | 106,317 | 51.63% | +20.39% | |
| Republican | William H. McMaster (inc.) | 99,595 | 48.37% | +4.24% | |
| Majority | 6,722 | 3.26% | −9.62% | ||
| Turnout | 205,912 | ||||
| Democraticgain fromRepublican | |||||
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