Special election results for U.S. House, State Senate and State House. Links to any primary results are included on each special election results.
State House of Representatives District 99 (Berkeley, Charleston) - January 16, 2018
State House of Representatives District 28 (Greenville) - January 16, 2018
November 28, 2017 - Berkeley and Charleston Counties
OFFICIAL RESULTS
| Candidate | Berkeley | Charleston | Total | Percent |
| Nancy Mace WINNER | 1,235 | 460 | 1,695 | 62.6% |
| Mark Smith | 478 | 534 | 1,012 | 37.4% |
November 14, 2017 - Berkeley and Charleston Counties
OFFICIAL RESULTS
November 14, 2017 - Greenville County
OFFICIAL RESULTS
| Candidate | Total | Percent |
| Krystal Blume | 294 | 19.6% |
| Jonathan Smith | 148 | 9.8% |
| Ashley Trantham WINNER | 870 | 57.9% |
| Bill Welch | 191 | 12.7% |
November 7, 2017 - Charleston and Dorchester Counties
OFFICIAL RESULTS - Available here after 7:00 p.m. on November 7, 2017.
October 24, 2017 - Horry County
OFFICIAL RESULTS
| CANDIDATE | TOTAL | PERCENT |
| Tim McGinnis WINNER | 1,194 | 66.5% |
| Adam Miller | 36 | 2.0% |
| Dwyer Scott | 566 | 31.5% |
September 26, 2017 - Spartanburg County
OFFICIAL RESULTS
| Candidate | Total | Percent |
| Rosalyn Henderson Myers, Democratic WINNER | 1,099 | 90.8% |
| Michael A Fowler, Republican | 109 | 9.0% |
| Write-in | 2 | 0.2% |
Important Dates & Deadlines
National Voter Registration Day 2017
September 5, 2017 - Charleston and Dorchester Counties
OFFICIAL RESULTS
September 5, 2017 - Charleston and Dorchester Counties
OFFICIAL RESULTS
| Candidate | Charleston | Dorchester | Total | Percent |
| Theron Sandy II WINNER | 166 | 12 | 178 | 72.7% |
| Rouzy Vafaie | 55 | 12 | 67 | 27.3% |
