3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Clarendon | 1 | 1,838 | 1,890 | -0.54% | 614 | 2.99 | City |
| Hedley | 2 | 257 | 277 | -1.53% | 359 | 0.71 | City |
| Lelia Lake | 3 | 123 | 57 | 7.89% | 138 | 0.89 | CDP |
Clarendon is the largest city in Donley County, with a population of 1,838.
Lelia Lake is the smallest city in Donley County.
There are 3 cities in Donley County, Texas.