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  Dodd: 50–60% 60–70% 70–80% Purtell: 50–60% 60–70% 70–80% Tie: 50% | |||||||||||||||||
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| Elections in Connecticut |
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The United States Senate election of 1958 in Connecticut was held on November 4, 1958. Democratic Thomas J. Dodd defeated incumbent senator William A. Purtell who ran for a second term.
This was one of ten 15 Democrats gained from the Republican Party in 1958, part of a record swing.