Founded in 1846, Limestone County is one of 254 counties in the state of Texas. Historically, Limestone County was formed from Robertson County. The city of Groesbeck is the county seat. With FIPS code of 293, Limestone County has a population of 22,119 and area of 909 square miles (2,354 km2).
List of all cities in Limestone County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Alto Springs, TX | 76653 | 254 |
| Bighill, TX | 76687 | 254 |
| Box Church, TX | 76642 | 254 |
| Coolidge, TX | 76635 | 254 |
| Davis Prairie, TX | 76687 | 254 |
| Denny, TX | 76653 | 254 |
| Echols, TX | 76635 | 254 |
| Fallon, TX | 76667 | 254 |
| Forest Glade, TX | 76667 | 254 |
| Groesbeck, TX | 76642 | 254 |
| Headsville, TX | 76653 | 254 |
| Kosse, TX | 76653 | 254 |
| Lake Limestone, TX | 76642 | 254 |
| Mexia, TX | 76667 | 254 |
| Mustang, TX | 76635 | 254 |
| Odds, TX | 76687 | 254 |
| Old Union, TX | 76687 | 254 |
| Oletha, TX | 76687 | 254 |
| Point Enterprise, TX | 76667 | 254 |
| Prairie Grove, TX | 76667 | 254 |
| Prairie Hill, TX | 76678 | 254 |
| Shiloh, TX | 76667 | 254 |
| Tehuacana, TX | 76686 | 254 |
| Thelma, TX | 76642 | 254 |
| Thornton, TX | 76687 | 254 |