Founded in 1846, Grimes County is one of 254 counties in the state of Texas. Historically, Grimes County was formed from Montgomery County. The city of Anderson is the county seat. With FIPS code of 185, Grimes County has a population of 30,287 and area of 794 square miles (2,056 km2).
List of all cities in Grimes County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Anderson, TX | 77830 | 936 |
| 77875 | 936 | |
| Bedias, TX | 77831 | 936 |
| Carlos, TX | 77830 | 936 |
| Iola, TX | 77861 | 936 |
| Navasota, TX | 77868 | 936 |
| Plantersville, TX | 77363 | 936 |
| Richards, TX | 77873 | 936 |
| Roans Prairie, TX | 77875 | 936 |
| Shiro, TX | 77876 | 936 |
| Singleton, TX | 77831 | 936 |
| White Hall, TX | 77868 | 936 |