Identifiers: city · town · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | Rock Hill (city), SC | 74,372 |
| 2 | Fort Mill (town), SC | 24,521 |
| 3 | Lake Wylie (CDP), SC | 13,655 |
| 4 | Tega Cay (city), SC | 12,832 |
| 5 | York (city), SC | 8,503 |
| 6 | Clover (town), SC | 6,671 |
| 7 | Newport (CDP), SC | 4,744 |
| 8 | Baxter Village (CDP), SC | 4,217 |
| 9 | India Hook (CDP), SC | 3,817 |
| 10 | Lesslie (CDP), SC | 3,068 |
| 11 | Riverview (CDP), SC | 1,748 |
| 12 | Catawba (CDP), SC | 1,301 |
| 13 | Fort Lawn (town), SC | 962 |
| 14 | Van Wyck (town), SC | 848 |
| 15 | Sharon (town), SC | 462 |
| 16 | Richburg (town), SC | 280 |