Founded in 1853, Madison County is one of 254 counties in the state of Texas. Historically, Madison County was formed from Grimes County, Leon County and Walker County. The city of Madisonville is the county seat. With FIPS code of 313, Madison County has a population of 13,718 and area of 470 square miles (1,217 km2).
List of all cities in Madison County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Connor, TX | 77864 | 936 |
| Cottonwood, TX | 77872 | 936 |
| Elwood, TX | 75852 | 903/430 |
| Madisonville, TX | 77864 | 936 |
| Midway, TX | 75852 | 903/430 |
| North Zulch, TX | 77872 | 936 |