3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Benton | 1 | 1,443 | 1,515 | -1.03% | 476 | 3 | Town |
| Copperhill | 2 | 461 | 441 | 0.88% | 261 | 2 | City |
| Ducktown | 3 | 445 | 458 | -0.67% | 168 | 3 | City |
Benton is the largest city in Polk County, with a population of 1,443.
Ducktown is the smallest city in Polk County, with a population of 445.
There are 3 cities in Polk County, Tennessee.