3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Clarendon | 1 | 1,831 | 1,889 | -0.65% | 612 | 3 | City |
| Hedley | 2 | 259 | 278 | -1.52% | 362 | 1 | City |
| Lelia Lake | 3 | 123 | 57 | 7.89% | 138 | 1 | CDP |
Clarendon is the largest city in Donley County, with a population of 1,831.
Lelia Lake is the smallest city in Donley County, with a population of 123.
There are 3 cities in Donley County, Texas.