
Rockville
- County:
- Charleston County
- County Seat:
- No
- Area (mi²):
- 0.424
- State:
- South Carolina
Rockville is a town located in Charleston County, South Carolina. Rockville has a 2025 population of 139. Rockville is currently growing at a rate of 0.72% annually and its population has increased by 2.21% since the most recent census, which recorded a population of 136 in 2020.
The average household income in Rockville is $129,838 with a poverty rate of 2.4%. The median age in Rockville is 50.5 years: 42.5 years for males, and 64.5 years for females.