Pelion
- County:
- Lexington County
- County Seat:
- No
- Area (mi²):
- 4.301
- State:
- South Carolina
Pelion is a town located in Lexington County, South Carolina. Pelion has a 2026 population of 623. Pelion is currently declining at a rate of -0.16% annually and its population has decreased by -0.8% since the most recent census, which recorded a population of 628 in 2020.