| County | County Seat |
| Chambers | Anahuac |
| Hardin | Kountze |
| Harris | Houston |
| Jasper | Jasper |
| Jefferson | Beaumont |
| Liberty | Liberty |
| Montgomery | Conroe |
| Newton | Newton |
| Orange | Orange |
| Polk | Livingston |
| San Jacinto | Coldspring |
| Trinity | Groveton |
| Tyler | Woodville |
| Walker | Huntsville |
Clickable
Map