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United States Senate election in Illinois, 1966

The 1966 United States Senate election in Illinois took place on November 8, 1966. Incumbent Democratic United States Senator Paul Douglas, seeking a fourth term in the United States Senate, faced off against Republican Charles H. Percy, a businessman and the 1964 Republican nominee for Governor of Illinois. A competitive election ensued, featuring campaign appearances by former Vice-President Richard M. Nixon on behalf of Percy.[1] Ultimately, Percy ended up defeating Senator Douglas by a fairly wide margin, allowing him to win what would be the first of three terms in the Senate.

United States Senate election in Illinois, 1966

← 1960 November 8, 1966 1972 →

  Charles Percy.jpg Paul Douglas.JPG
Nominee Charles Percy Paul Douglas
Party Republican Democratic
Popular vote 2,100,449 1,678,147
Percentage 54.95% 43.90%

U.S. Senator before election

Paul Douglas

Elected U.S. Senator

Charles H. Percy


General electionEdit



United States Senate election in Illinois, 1966[2]
Party Candidate Votes % ±
Republican Charles H. Percy 2,100,449 54.95% +9.75%
Democratic Paul H. Douglas (inc.) 1,678,147 43.90% -10.73%
Independent Robert Sabonjian 41,965 1.10%
Write-ins 2,163 0.05%
Majority 422,302 11.05% +1.61%
Turnout 3,822,724
Republican gain from Democratic Swing

See alsoEdit