Round O South Carolina Profile
| Place Name | Round O |
| Place Type | Unincorporated |
| ZIP Code(s) | 29474 |
| County | Colleton County |
| Area Code(s) | 843,854 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| US Congressional District(s) | South Carolina 6th |
| State House Districts | 97 |
| State Senate Districts | 41 |