6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Warwick | 1 | 83,727 | 82,862 | 0.21% | 2,392 | 35 | City |
| Coventry | 2 | 36,238 | 35,726 | 0.44% | 614 | 59 | Town |
| West Warwick | 3 | 31,405 | 30,995 | 0.25% | 4,010 | 8 | Town |
| East Greenwich | 4 | 14,872 | 14,308 | 0.7% | 908 | 16 | Town |
| West Greenwich | 5 | 6,744 | 6,532 | 0.36% | 134 | 50 | Town |
| Greene | 6 | 1,116 | 1,016 | 1.45% | 184 | 6 | CDP |
Warwick is the largest city in Kent County, with a population of 83,727.
Greene is the smallest city in Kent County, with a population of 1,116.
There are 6 cities in Kent County, Rhode Island.