PolitiFinder

1966 Kentucky U.S. Senate Election

Kentucky · 2 candidates · See every 1966 U.S. Senate race

Who won the 1966 Kentucky U.S. Senate Election?

John Sherman Cooper won the 1966 Kentucky U.S. Senate Election. John Sherman Cooper received 483,805 popular votes (64.52%). The main challenger was John Y. Brown (35.48%).

See the full head-to-head between Cooper and Brown

Cooper +29.0 pts · won by 217,726 votes
John Sherman CooperRepublicanWINNER64.52%
483,805 votes
John Y. BrownDemocratic35.48%
266,079 votes
Popular-vote totals for this U.S. Senate election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.