The 1964 United States Senate election in Wisconsin was held on November 3, 1964. Incumbent Democrat William Proxmire was re-elected to a second term in office over Republican Wilbur Renk.
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County results Proxmire: 50–60% 60–70% 70–80% Renk: 50–60% 60–70% | |||||||||||||||||
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Party | Candidate | Votes | % | |
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Democratic | William Proxmire (incumbent) | 295,676 | 88.78% | |
Democratic | Kenneth F. Klinkert | 20,022 | 6.01% | |
Democratic | Arlyn F. Wollenburg | 17,333 | 5.21% | |
Total votes | 333,031 | 100.00% |
After losing the primary, Klinkert entered the general election as a candidate running on a "Faith and Belief in Man" ticket.
Party | Candidate | Votes | % | |
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Republican | Wilbur N. Renk | 300,258 | 100.00% | |
Total votes | 300,258 | 100.00% |
Party | Candidate | Votes | % | ±% | |
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Democratic | William Proxmire (incumbent) | 892,013 | 53.30% | 3.83 | |
Republican | Wilbur N. Renk | 780,116 | 46.61% | 3.88 | |
Independent | Kenneth F. Klinkert | 1,062 | 0.06% | N/A | |
Socialist Workers | Wayne Leverenz | 479 | 0.03% | 0.07 | |
Total votes | 1,673,670 | 100.00% | |||
Democratic hold | Swing |