9 cities
| City | Rank | County | 2026 Pop. ↓ |
|---|---|---|---|
| South Kingstown | 1 | Washington County | 32,148 |
| North Kingstown | 2 | Washington County | 28,132 |
| Westerly | 3 | Washington County | 23,314 |
| Narragansett | 4 | Washington County | 14,349 |
| Hopkinton | 5 | Washington County | 8,455 |
| Richmond | 6 | Washington County | 8,136 |
| Charlestown | 7 | Washington County | 8,052 |
| Exeter | 8 | Washington County | 6,516 |
| New Shoreham | 9 | Washington County | 1,419 |
Washington County is the county generally considered as South County Rhode Island.