James Island town, South Carolina
Official LSAD Designation: James Island town • Census GEOID: 4536430
• Charleston County
Demographics & Population Profile
Population and demographics for James Island town.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 12,660 | — | 2025 | Census |
| Median Age | 41.7 yrs | ±2.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,666 | ±251 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).