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1986 Iowa U.S. Senate Election
Iowa · 3 candidates
Charles E. GrassleyRepublicanWINNER66.04%
588,880 votes
John O. RoehrickDemocratic33.57%
299,406 votes
John MastersNominated By Petition0.38%
3,370 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).