| City : | Sullivan's Island Town |
| County : | Charleston County |
| State : | South Carolina (SC) |
| | |
| Land Area : | 2.50 sq mi |
| Water Area : | 0.94 sq mi |
| Latitude : | 32.7698928 |
| Longitude : | -79.8362480 |
| | |
| Population (2010): | 1,791 |
| Population Estimate (2012) : | 1,905 |
| Population Density : | 716.97/sq mi |
| Housing Units (2012) : | 1,054 |
| Median Household Income (2012) : | $108,688 (South Carolina : $44,623, USA : $53,046) |
| Median Family Income (2012) : | $127,344 (South Carolina : $55,058, USA : $64,585) |
| Median House Price (2012) : | $0 (South Carolina : $137,400, USA : $181,400) |