Founded in 1871, Pecos County is one of 254 counties in the state of Texas. Historically, Pecos County was formed from Presidio County. The city of Fort Stockton is the county seat. With FIPS code of 371, Pecos County has a population of 15,118 and area of 4,764 square miles (12,339 km2).
List of all cities in Pecos County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Coyanosa, TX | 79730 | 432 |
| Fort Stockton, TX | 79735 | 432 |
| Girvin, TX | 79740 | 432 |
| Imperial, TX | 79743 | 432 |
| Iraan, TX | 79744 | 432 |
| Sheffield, TX | 79781 | 432 |