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2010 Iowa U.S. Senate Election
Iowa · 3 candidates
Charles E. GrassleyRepublicanWINNER64.35%
718,215 votes
Roxanne ConlinDemocratic33.3%
371,686 votes
John HeiderscheitLibertarian2.27%
25,290 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).