| City | Rank | County | 2026 Pop. ↓ |
|---|---|---|---|
| Newport | 1 | Newport County | 24,078 |
| Portsmouth | 2 | Newport County | 17,566 |
| Middletown | 3 | Newport County | 16,405 |
| Tiverton | 4 | Newport County | 15,690 |
| Jamestown | 5 | Newport County | 5,474 |
| Little Compton | 6 | Newport County | 3,520 |
Newport County is the county generally considered as Newport County Rhode Island.