South Carolina 1st — House 2026 Rep Primary
The South Carolina 1st — House rep primary is scheduled for June 9, 2026. The model has Mark Smith narrowly ahead of Sam McCown, 47% to 35% in a 10-candidate field. Sam McCown leads the field in reported fundraising and Mark Smith has the most tracked endorsements. No public polling is available for this race, so the forecast leans on fundraising, endorsements, candidate profiles, and historical results.
Current win probabilities
- Mark Smith — 47%
- Sam McCown — 35%
- Alex Pelbath — 2%
- Jenny Costa Honeycutt — 2%
- Jay Byars — 2%
- Tyler Dykes — 2%
- Logan Cunningham — 2%
- Dan Brown — 2%
+2 more candidates
Probabilities update daily from polls, fundraising, endorsements, and historical results.