Sullivan's Island town, South Carolina
Official LSAD Designation: Sullivan's Island town • Census GEOID: 4570090
• Charleston County
Sullivan's Island town is an incorporated town in Charleston County, South Carolina. According to official records from the Census (2025), Sullivan's Island town had an estimated population of 1,961 residents. Official Census Bureau geographic records classify this community under LSAD designation Sullivan's Island town (GEOID 4570090).
Local Government Administration U.S. Census Bureau GMAF
Town Of Sullivan's Island
Municipal
Official Title:
Asst To Town Administrator
Address:
PO BOX 427, SULLIVANS ISLAND SC 29482-0427
County Of Charleston
County
Official Title:
Finance Director
Address:
4045 BRIDGE VIEW DR, STE A225, NORTH CHARLESTON SC 29405-7464
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,961 | 2025 |
| Median Household Income | $192,813 | 2020-2024 |
| Median Home Value | $2,000,000+ | 2020-2024 |
| Land Area | 2.50 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).