← Home
1966 Illinois U.S. Senate Election
Illinois · 2 candidates
Percy +11.1 pts · won by 422,302 votes
Charles H. PercyRepublicanWINNER54.95%
2,100,449 votes
Paul DouglasDemocratic43.9%
1,678,147 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).