| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Casa Blanca | city | Texas | United States | 28.00 | -97.90 | 157 | |
| Casa Bonita Colonia | city | Texas | United States | 26.21 | -98.25 | 108 | |
| Casa Linda Colonia | city | Texas | United States | 27.99 | -97.97 | 187 | |
| Casa Piedra | city | Texas | United States | 29.74 | -104.05 | 3398 | |
| Casa de Peidras | city | Texas | United States | 29.85 | -101.92 | 1781 | |
| Casa de Piedra | city | Texas | United States | 29.10 | -103.05 | 1853 | |
| Casa de los Vecinos Colonia | city | Texas | United States | 26.31 | -98.34 | 180 | |
| Casa del Rey Colonia | city | Texas | United States | 26.11 | -97.50 | 22 | |
| Casas Colonia | city | Texas | United States | 26.48 | -98.93 | 334 | |
| Cash | city | Texas | United States | 32.99 | -96.11 | 830 | |
| Cashel Forest | city | Texas | United States | 29.99 | -95.51 | 118 | |
| Cashion Community | city | Texas | United States | 34.04 | -98.50 | 1023 | |
| Cason | city | Texas | United States | 33.04 | -94.81 | 311 | |
| Cass | city | Texas | United States | 33.20 | -94.06 | 239 | |
| Cassin | city | Texas | United States | 29.26 | -98.49 | 830 | |
| Castaneda Colonia | city | Texas | United States | 26.27 | -98.32 | 157 | |
| Castell | city | Texas | United States | 30.70 | -98.96 | 1204 | |
| Castle Hill Estate | city | Texas | United States | 32.87 | -97.52 | 830 | |
| Castle Hills | city | Texas | United States | 29.52 | -98.52 | 839 | |
| Castlewoods | city | Texas | United States | 29.91 | -95.34 | 68 | |
| Castolon | city | Texas | United States | 29.13 | -103.51 | 2509 | |
| Castor | city | Texas | United States | 31.37 | -98.51 | 1669 | |
| Castroville | city | Texas | United States | 29.36 | -98.88 | 830 |