| County | County Seat |
| Austin | Bellville |
| Brazoria | Angleton |
| Brazos | Bryan |
| Burleson | Caldwell |
| Colorado | Columbus |
| Fayette | La Grange |
| Fort Bend | Richmond |
| Galveston | Galveston |
| Grimes | Anderson |
| Lee | Giddings |
| Madison | Madisonville |
| Matagorda | Bay City |
| Milam | Cameron |
| Robertson | Franklin |
| Waller | Hempstead |
| Washington | Brenham |
| Wharton | Wharton |
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