Founded in 1905, Terrell County is one of 254 counties in the state of Texas. Historically, Terrell County was formed from Pecos County. The city of Sanderson is the county seat. With FIPS code of 443, Terrell County has a population of 724 and area of 2,358 square miles (6,107 km2).
List of all cities in Terrell County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Comstock, TX | 78851 | 432 |
| Dryden, TX | 78851 | 432 |
| Sanderson, TX | 79848 | 432 |