| City | Rank | County | 2026 Pop. ↓ |
|---|---|---|---|
| South Kingstown | 1 | Washington County | 32,009 |
| North Kingstown | 2 | Washington County | 27,925 |
| Westerly | 3 | Washington County | 23,061 |
| Narragansett | 4 | Washington County | 14,214 |
| Hopkinton | 5 | Washington County | 8,392 |
| Richmond | 6 | Washington County | 8,133 |
| Charlestown | 7 | Washington County | 7,972 |
| Exeter | 8 | Washington County | 6,516 |
| New Shoreham | 9 | Washington County | 1,410 |
Washington County is the county generally considered as South County Rhode Island.