2020Final results
2020 election for South Carolina Senate District 18
South Carolina State Senate · South Carolina
Ronnie Cromer (R) won with 72.2% of the vote, defeating Christopher Thibault (D) by 44.5 points.
Ronnie CromerRepublican · winner · incumbent
72.2%46,032
Christopher ThibaultDemocrat
27.7%17,639
63,735 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET