1966 United States Senate election in Delaware

The 1966 United States Senate election in Delaware took place on November 8, 1966. Incumbent Republican U.S. Senator J. Caleb Boggs was re-elected to a second term in office. As of 2021, this is the last time the Republicans won the Class II Senate seat in Delaware.

1966 United States Senate election in Delaware

November 8, 1966

Nominee J. Caleb Boggs James M. Tunnell Jr. Party Republican Democratic Popular vote 97,268 67,263 Percentage 59.12% 40.88%

County Results Boggs:      50-60%      60-70%

U.S. senator before election J. Caleb Boggs Republican Elected U.S. Senator J. Caleb Boggs Republican

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