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2018 South Carolina U.S. House District 3 Election

South Carolina · 3 candidates · See every 2018 U.S. House race

Who won the 2018 South Carolina U.S. House District 3 Election?

Jeff Duncan won the 2018 South Carolina U.S. House District 3 Election. Jeff Duncan received 153,338 popular votes (67.79%). The main challenger was Mary Geren (30.97%).

See the full head-to-head between Duncan and Geren

Duncan +36.8 pts · won by 83,292 votes
Jeff DuncanRepublicanWINNER67.79%
153,338 votes
Mary GerenDemocratic30.97%
70,046 votes
Dave Mooreamerican1.19%
2,697 votes
Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.