Founded in 1848, Caldwell County is one of 254 counties in the state of Texas. Historically, Caldwell County was formed from Bastrop County and Gonzales County. The city of Lockhart is the county seat. With FIPS code of 55, Caldwell County has a population of 46,791 and area of 546 square miles (1,414 km2).
List of all cities in Caldwell County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Dale, TX | 78616 | 512/737 |
| Fentress, TX | 78622 | 512/737 |
| Joliet, TX | 78648 | 830 |
| Lockhart, TX | 78644 | 512/737 |
| Luling, TX | 78648 | 830 |
| Lytton Springs, TX | 78616 | 512/737 |
| Martindale, TX | 78655 | 512/737 |
| Maxwell, TX | 78656 | 512/737 |
| McMahan, TX | 78616 | 512/737 |
| Mendoza, TX | 78644 | 512/737 |
| Prairie Lea, TX | 78661 | 512/737 |
| Reedville, TX | 78656 | 512/737 |
| Seawillow, TX | 78644 | 512/737 |
| Stairtown, TX | 78648 | 830 |
| Tilmon, TX | 78616 | 512/737 |