Founded in 1876, Collingsworth County is one of 254 counties in the state of Texas. Historically, Collingsworth County was formed from Bexar County. The city of Wellington is the county seat. With FIPS code of 87, Collingsworth County has a population of 2,615 and area of 919 square miles (2,380 km2).
List of all cities in Collingsworth County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Dodson, TX | 79230 | 806 |
| Quail, TX | 79251 | 806 |
| Sam Norwood, TX | 79077 | 806 |
| Wellington, TX | 79095 | 806 |