6 cities
| City | Rank | County | 2025 Pop. ↓ |
|---|---|---|---|
| Newport | 1 | Newport County | 24,324 |
| Portsmouth | 2 | Newport County | 17,303 |
| Middletown | 3 | Newport County | 16,610 |
| Tiverton | 4 | Newport County | 15,818 |
| Jamestown | 5 | Newport County | 5,487 |
| Little Compton | 6 | Newport County | 3,542 |
Newport County is the county generally considered as Newport County Rhode Island.