Founded in 1876, Stonewall County is one of 254 counties in the state of Texas. Historically, Stonewall County was formed from Bexar County. The city of Aspermont is the county seat. With FIPS code of 433, Stonewall County has a population of 1,217 and area of 919 square miles (2,380 km2).
List of all cities in Stonewall County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Aspermont, TX | 79502 | 940 |
| Old Glory, TX | 79540 | 940 |
| Peacock, TX | 79502 | 940 |