9 cities
| City | Rank | County | 2025 Pop. ↓ |
|---|---|---|---|
| South Kingstown | 1 | Washington County | 32,121 |
| North Kingstown | 2 | Washington County | 28,035 |
| Westerly | 3 | Washington County | 23,301 |
| Narragansett | 4 | Washington County | 14,378 |
| Hopkinton | 5 | Washington County | 8,443 |
| Richmond | 6 | Washington County | 8,139 |
| Charlestown | 7 | Washington County | 8,052 |
| Exeter | 8 | Washington County | 6,542 |
| New Shoreham | 9 | Washington County | 1,416 |
Washington County is the county generally considered as South County Rhode Island.