
James Island
- County:
- Charleston County
- County Seat:
- No
- Area (mi²):
- 4.744
- State:
- South Carolina
James Island is a town located in Charleston County, South Carolina. James Island has a 2025 population of 12,066. James Island is currently growing at a rate of 0.68% annually and its population has increased by 3.5% since the most recent census, which recorded a population of 11,658 in 2020.
The average household income in James Island is $117,438 with a poverty rate of 5.39%. The median age in James Island is 41.3 years: 41.1 years for males, and 41.8 years for females.