3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Benton | 1 | 1,429 | 1,515 | -0.97% | 471 | 3 | Town |
| Copperhill | 2 | 465 | 441 | 0.87% | 263 | 2 | City |
| Ducktown | 3 | 443 | 458 | -0.45% | 168 | 3 | City |
Benton is the largest city in Polk County, with a population of 1,429.
Ducktown is the smallest city in Polk County, with a population of 443.
There are 3 cities in Polk County, Tennessee.