Founded in 1876, Crosby County is one of 254 counties in the state of Texas. Historically, Crosby County was formed from Bexar County. The city of Crosbyton is the county seat. With FIPS code of 107, Crosby County has a population of 5,106 and area of 900 square miles (2,331 km2).
List of all cities in Crosby County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Cone, TX | 79357 | 806 |
| Crosbyton, TX | 79322 | 806 |
| Lorenzo, TX | 79343 | 806 |
| Ralls, TX | 79357 | 806 |