7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Crossville | 1 | 12,961 | 12,081 | 1.38% | 634 | 20 | City |
| Fairfield Glade | 2 | 9,824 | 9,364 | 1.96% | 427 | 23 | CDP |
| Crab Orchard | 3 | 734 | 718 | 0.41% | 67 | 11 | City |
| Pleasant Hill | 4 | 553 | 543 | 0.36% | 339 | 2 | Town |
| Bon Air | 5 | 546 | 442 | 7.06% | 277 | 2 | CDP |
| Bowman | 6 | 438 | 91 | 2.1% | 191 | 2 | CDP |
| Mayland | 7 | 356 | 240 | 7.23% | 220 | 2 | CDP |
Crossville is the largest city in Cumberland County, with a population of 12,961.
Mayland is the smallest city in Cumberland County, with a population of 356.
There are 7 cities in Cumberland County, Tennessee.