| Place Name | Sullivan's Island |
| Place Type | Town |
| ZIP Code(s) | 29451 29464 29482 |
| County | Charleston County |
| Area Code(s) | 843,854 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,905 |
| Population Growth Rate (2010-19) | 5.58% |
| Majority Ethnicity | White 97.88% |
| Metro/Micro Stats Area | Charleston-North Charleston, SC |
| US Congressional District(s) | South Carolina 1st |
| State House Districts | 112 |
| State Senate Districts | 43 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.88% |
| African American | 0.18% |
| Hispanic | 0% |
| Asian | 1.35% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.59% |