1966 United States Senate election in Kentucky

1966 United States Senate election in Kentucky

November 8, 1966
 
Nominee John Sherman Cooper John Y. Brown Sr.
Party Republican Democratic
Popular vote 483,805 266,079
Percentage 64.52% 35.48%

County results
Cooper:      50-60%      60-70%      70-80%      80–90%
Brown:      50–60%      60–70%

U.S. senator before election

John Sherman Cooper
Republican

Elected U.S. Senator

John Sherman Cooper
Republican

The 1966 United States Senate election in Kentucky took place on November 8, 1966. Incumbent Republican Senator John Sherman Cooper was elected to a second consecutive term in office, defeating Democrat John Y. Brown Sr. in a rematch of the 1946 special election. This would be the first statewide election in Kentucky in which a Republican won Elliott County, and the only one until 2016 when Donald Trump won the county for president.