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1966 Kentucky U.S. Senate Election
Kentucky · 2 candidates
Cooper +29.0 pts · won by 217,726 votes
John Sherman CooperRepublicanWINNER64.52%
483,805 votes
John Y. Brown Sr.Democratic35.48%
266,079 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).