11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bolivar | 1 | 5,100 | 5,189 | -0.35% | 629 | 8 | City |
| Whiteville | 2 | 4,551 | 4,576 | -0.11% | 1,726 | 3 | Town |
| Middleton | 3 | 755 | 657 | 2.72% | 361 | 2 | City |
| Grand Junction | 4 | 336 | 340 | -0.3% | 283 | 1 | City |
| Pocahontas | 5 | 291 | 291 | 6.99% | 142 | 2 | CDP |
| Toone | 6 | 270 | 267 | 0.37% | 251 | 1 | Town |
| Hornsby | 7 | 259 | 259 | 0% | 246 | 1 | Town |
| Saulsbury | 8 | 113 | 112 | 0% | 187 | 1 | Town |
| Silerton | 9 | 96 | 98 | 0% | 144 | 1 | Town |
| Essary Springs | 10 | 91 | 37 | 7.06% | 22 | 4 | CDP |
| Hickory Valley | 11 | 80 | 79 | 0% | 252 | 0 | Town |
Bolivar is the largest city in Hardeman County, with a population of 5,100.
Hickory Valley is the smallest city in Hardeman County, with a population of 80.
There are 11 cities in Hardeman County, Tennessee.