2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Quanah | 1 | 2,190 | 2,279 | -0.81% | 630 | 3.48 | City |
| Chillicothe | 2 | 533 | 555 | -0.74% | 522 | 1.02 | City |
Quanah is the largest city in Hardeman County, with a population of 2,190.
Chillicothe is the smallest city in Hardeman County.
There are 2 cities in Hardeman County, Texas.