| City | County | 2026 Pop. ↓ |
|---|---|---|
| North Charleston | Berkeley County | 131,980 |
| North Augusta | Aiken County | 27,429 |
| North Myrtle Beach | Horry County | 21,826 |
| Newberry | Newberry County | 10,944 |
| Newport | York County | 4,143 |
| Northlake | Anderson County | 3,872 |
| North Hartsville | Chesterfield County | 3,209 |
| New Ellenton | Aiken County | 2,367 |
| Ninety Six | Greenwood County | 2,092 |
| Newtown | Dillon County | 1,193 |
| Norris | Pickens County | 762 |
| North | Orangeburg County | 666 |
| North Santee | Clarendon County | 650 |
| Newry | Oconee County | 444 |
| Neeses | Orangeburg County | 316 |
| Norway | Orangeburg County | 274 |
| Nichols | Horry County | 220 |