
Jeff Duncan
Percent: 67.79%
Votes: 153,338

Mary Geren
Percent: 30.97%
Votes: 70,046
The 2018 South Carolina 3rd Congressional District general election was held on November 6, 2018, and Republican incumbent Jeff Duncan won reelection. Duncan received 67.79% of the vote, defeating Democrat Mary Geren, who won 30.97%. The result reflected the district’s strong Republican lean, with Duncan carrying the seat by a wide margin.
Jeff Duncan (REP)
Percent: 67.79%
Votes: 153,338
Mary Geren (DEM)
Percent: 30.97%
Votes: 70,046
Dave Moore
Percent: 1.19%
Votes: 2,697
Write-In
Percent: 0.05%
Votes: 123
Total votes: 226,204
Jeff Duncan (REP)
Percent: 64.65%
Votes: 5,544
Mary Geren (DEM)
Percent: 34.32%
Votes: 2,943
Dave Moore
Percent: 0.97%
Votes: 83
Write-In
Percent: 0.07%
Votes: 6
Total votes: 8,576
Jeff Duncan (REP)
Percent: 61.58%
Votes: 14,301
Mary Geren (DEM)
Percent: 37.21%
Votes: 8,641
Dave Moore
Percent: 1.17%
Votes: 271
Write-In
Percent: 0.04%
Votes: 9
Total votes: 23,222
Jeff Duncan (REP)
Percent: 72.23%
Votes: 19,966
Mary Geren (DEM)
Percent: 26.47%
Votes: 7,316
Dave Moore
Percent: 1.24%
Votes: 343
Write-In
Percent: 0.07%
Votes: 18
Total votes: 27,643
Jeff Duncan (REP)
Percent: 70.16%
Votes: 44,144
Mary Geren (DEM)
Percent: 28.64%
Votes: 18,019
Dave Moore
Percent: 1.14%
Votes: 718
Write-In
Percent: 0.06%
Votes: 38
Total votes: 62,919
Jeff Duncan (REP)
Percent: 65.07%
Votes: 13,278
Mary Geren (DEM)
Percent: 33.82%
Votes: 6,901
Dave Moore
Percent: 1.03%
Votes: 211
Write-In
Percent: 0.08%
Votes: 16
Total votes: 20,406
Jeff Duncan (REP)
Percent: 74.43%
Votes: 28,814
Mary Geren (DEM)
Percent: 24.11%
Votes: 9,333
Dave Moore
Percent: 1.39%
Votes: 540
Write-In
Percent: 0.06%
Votes: 25
Total votes: 38,712
Jeff Duncan (REP)
Percent: 60.52%
Votes: 5,702
Mary Geren (DEM)
Percent: 38.33%
Votes: 3,611
Dave Moore
Percent: 1.15%
Votes: 108
Write-In
Percent: 0.01%
Votes: 1
Total votes: 9,422
Jeff Duncan (REP)
Percent: 52.69%
Votes: 2,328
Mary Geren (DEM)
Percent: 46.56%
Votes: 2,057
Dave Moore
Percent: 0.75%
Votes: 33
Write-In
Percent: 0.00%
Votes: 0
Total votes: 4,418
Jeff Duncan (REP)
Percent: 67.40%
Votes: 4,633
Mary Geren (DEM)
Percent: 31.47%
Votes: 2,163
Dave Moore
Percent: 1.13%
Votes: 78
Write-In
Percent: 0.00%
Votes: 0
Total votes: 6,874
Jeff Duncan (REP)
Percent: 60.18%
Votes: 13,015
Mary Geren (DEM)
Percent: 38.49%
Votes: 8,324
Dave Moore
Percent: 1.28%
Votes: 277
Write-In
Percent: 0.05%
Votes: 10
Total votes: 21,626
Jeff Duncan (REP)
Percent: 67.60%
Votes: 1,613
Mary Geren (DEM)
Percent: 30.93%
Votes: 738
Dave Moore
Percent: 1.47%
Votes: 35
Write-In
Percent: 0.00%
Votes: 0
Total votes: 2,386
