The 1990 United States Senate election in Idaho was held on November 6, 1990. Republican Rep. Larry Craig defeated Democratic former state legislator Ron Twilegar for the seat of U.S. Senator Jim McClure, who did not seek reelection.
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County results Craig: 50–60% 60–70% 70–80% Twilegar: 50–60% | |||||||||||||||||
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Both primary elections were held on May 22, 1990.
Party | Candidate | Votes | % | |
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Republican | Larry Craig | 65,830 | 59.01% | |
Republican | Jim Jones | 45,733 | 40.99% |
Party | Candidate | Votes | % | |
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Democratic | Ron Twilegar | 30,154 | 64.51% | |
Democratic | David C. Steed | 16,587 | 35.49% |
Party | Candidate | Votes | % | ||
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Republican | Larry Craig | 193,641 | 61.29% | ||
Democratic | Ron Twilegar | 122,295 | 38.71% | ||
Republican hold |