2016 Iowa U.S. Senate Election

Iowa · 5 candidates

Charles E. GrassleyRepublicanWINNER60.09%

926,007 votes

Patty JudgeDemocratic35.66%

549,460 votes

Charles AldrichLibertarian2.71%

41,794 votes

Jim HennagerNew Independent Party Iowa1.15%

17,649 votes

Michael Luick-ThramsNominated By Petition0.29%

4,441 votes

Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).