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1980 Iowa U.S. Senate Election
Iowa · 5 candidates
Charles E. GrassleyRepublicanWINNER53.49%
683,014 votes
John CulverDemocratic45.54%
581,545 votes
Garry de YoungBy Petition0.46%
5,858 votes
Robert V HengererLibertarian0.33%
4,233 votes
John Ingram HendersonBy Petition0.18%
2,336 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).