Trenton
- County:
- Edgefield County
- County Seat:
- No
- Area (mi²):
- 1.29
- State:
- South Carolina
Trenton is a town located in Edgefield County, South Carolina. Trenton has a 2026 population of 409. Trenton is currently growing at a rate of 1.74% annually and its population has increased by 108.67% since the most recent census, which recorded a population of 196 in 2020.