South Charleston
- County:
- Kanawha County
- County Seat:
- No
- Area (mi²):
- 9.76
- State:
- West Virginia
South Charleston is a city located in Kanawha County, West Virginia. South Charleston has a 2026 population of 13,177. South Charleston is currently declining at a rate of -0.6% annually and its population has decreased by -4.76% since the most recent census, which recorded a population of 13,836 in 2020.