2018 general · November 6, 2018
2018 South Carolina election results
Every race on South Carolina's ballot in the 2018 general election: winners, margins and seats that changed party.
Races136
Changed party6
Unopposed50%68 races
Incumbents defeated3
- Governors
- Statewide offices
- U.S. House
- South Carolina State Senate
- South Carolina House of Representatives
Governors
R 1
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Carolina | Henry McMaster / Pamela Evette (R) | 8.0 |
Statewide offices
R 3
| Race | Winner | Won by | Notes |
|---|---|---|---|
| South Carolina Attorney General | Alan Wilson (R) | 10.2 | |
| South Carolina Secretary of State | Mark Hammond (R) | 14.3 | |
| South Carolina Treasurer | Curtis Loftis (R) | 15.2 |
U.S. House
D 2 · R 5 · 1 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SC-1 | Joe Cunningham (D) | 1.4 | Flipped |
| SC-2 | Joe Wilson (R) | 13.8 | |
| SC-3 | Jeff Duncan (R) | 36.8 | |
| SC-4 | William Timmons (R) | 23.0 | |
| SC-5 | Ralph Norman (R) | 15.5 | |
| SC-6 | Jim Clyburn (D) | 41.9 | |
| SC-7 | Tom Rice (R) | 19.3 |
South Carolina State Senate
D 1 · 1 changed party
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-20 | Dick Harpootlian (D) | 4.7 | Flipped |
South Carolina House of Representatives
D 44 · R 80 · 4 changed party
South Carolina
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner; MIT Election Data and Science Lab