The United States Senate election of 1940 in Connecticut was held on November 5, 1940. Incumbent Democratic Senator Francis T. Maloney was re-elected to a second term in office. Maloney did not complete the term; he died in 1945.
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Party | Candidate | Votes | % | ±% | |
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Democratic | Francis T. Maloney (incumbent) | 416,740 | 53.15% | 4.74 | |
Republican | Paul L. Cornell | 357,574 | 45.60% | 0.46 | |
Union | Paul L. Cornell | 798 | 0.10% | N/A | |
Total | Paul L. Cornell | 358,313 | 45.70% | N/A | |
Socialist | Kenneth W. Thurlow | 6,557 | 0.84% | 5.10 | |
Socialist Labor | James A. Hutchin | 1,343 | 0.17% | N/A | |
Communist | Isadore Wofsy | 1,114 | 0.14% | 0.09 | |
Total votes | 784,067 | 100.00% | |||
Democratic hold |