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 County results Proxmire: 50–60% 60–70% 70–80% Renk: 50–60% 60–70% | |||||||||||||||||
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| Elections in Wisconsin |
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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.