4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Wellington | 1 | 1,781 | 1,881 | -1.11% | 1,292 | 1.38 | City |
| Dodson | 2 | 89 | 94 | -1.11% | 146 | 0.61 | Town |
| Samnorwood | 3 | 29 | 33 | 7.41% | 18 | 1.64 | CDP |
| Quail | 4 | 25 | 29 | 8.7% | 8 | 3.18 | CDP |
Wellington is the largest city in Collingsworth County, with a population of 1,781.
Quail is the smallest city in Collingsworth County.
There are 4 cities in Collingsworth County, Texas.