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 County results Abdnor: 40-50% 50-60% 60-70% 70-80% 80-90% McGovern: 50–60% 60–70% 70–80% | |||||||||||||||||
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| Elections in South Dakota |
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The 1980 United States Senate election in South Dakota was held on Tuesday November 4, Incumbent United States Senator George McGovern ran for re-election to a fourth term, but was defeated by Republican James Abdnor.