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1940 Illinois U.S. Senate Special
Illinois · 2 candidates
Brooks +0.5 pts · won by 20,827 votes
C. Wayland BrooksRepublicanWINNER50.07%
2,045,924 votes
James M. SlatteryDemocratic49.56%
2,025,097 votes
A special election fills a Senate seat that came open mid-term. Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).