2018Final results
2018 election for South Carolina House District 99
South Carolina House of Representatives · South Carolina
Nancy Mace (R) won with 61.0% of the vote, defeating Jen Gibson (D) by 22.0 points.
Nancy MaceRepublican · winner
61.0%10,836
Jen GibsonDemocrat
39.0%6,927
17,772 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET