Founded in 1846, Hopkins County is one of 254 counties in the state of Texas. Historically, Hopkins County was formed from Lamar County and Nacogdoches County. The city of Sulphur Springs is the county seat. With FIPS code of 223, Hopkins County has a population of 37,211 and area of 785 square miles (2,033 km2).
List of all cities in Hopkins County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Brashear, TX | 75420 | 903/430 |
| Como, TX | 75431 | 903/430 |
| Cumby, TX | 75433 | 903/430 |
| Dike, TX | 75437 | 903/430 |
| Pickton, TX | 75471 | 903/430 |
| Saltillo, TX | 75478 | 903/430 |
| Sulphur Bluff, TX | 75481 | 903/430 |
| Sulphur Springs, TX | 75482 | 903/430 |
| 75483 | 903/430 |