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 County Results
Proxmire: 50–60% 60–70% 70–80% | |||||||||||||||||
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| Elections in Wisconsin |
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The 1958 United States Senate election in Wisconsin was held on November 4, 1958. Incumbent Democrat William Proxmire, who had won a special election to finish the term of the late Senator Joe McCarthy, was re-elected to a full term in office over Wisconsin Supreme Court Justice Roland J. Steinle, a Republican.