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![]() County results Barbour: 50–60% 60–70% Cromwell: 50–60% | |||||||||||||||||
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Elections in New Jersey |
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The United States Senate election of 1940 in New Jersey was held on November 5, 1940.
Incumbent Republican Senator William Warren Barbour was re-elected over Democrat James H. R. Cromwell, who had recently been appointed United States Ambassador to Canada.