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 County results Herseth: 50–60% 60–70% Saunders: 50-60% 60-70% 70-80% Tie: 50–60% | |||||||||||||||||
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| Elections in South Dakota |
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The 1958 South Dakota gubernatorial election was held on November 4, 1958.
Incumbent Republican Governor Joe Foss was term-limited.
Democratic nominee Ralph Herseth defeated Republican nominee Phil Saunders with 51.40% of the vote.