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2016 Iowa U.S. Senate Election

Iowa · 5 candidates · See every 2016 U.S. Senate race

Who won the 2016 Iowa U.S. Senate Election?

Charles E. Grassley won the 2016 Iowa U.S. Senate Election. Charles E. Grassley received 926,007 popular votes (60.09%). The main challenger was Patty Judge (35.66%).

See the full head-to-head between Grassley and Judge

Grassley +24.4 pts · won by 376,547 votes
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).

Data last verified July 28, 2026.