| | | Van Zandt County | TX | 48467 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=VanZandtCounty+TX |
| | | Val Verde County | TX | 48465 | | Del Rio, TX 19620 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ValVerdeCounty+TX |
| | | Uvalde County | TX | 48463 | | Uvalde, TX 46620 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=UvaldeCounty+TX |
| | | Upton County | TX | 48461 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=UptonCounty+TX |
| | | Upshur County | TX | 48459 | | Longview, TX 30980 | | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=UpshurCounty+Texas |
| | | Tyler County | TX | 48457 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=TylerCounty+TX |
| | | Trinity County | TX | 48455 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=TrinityCounty+TX |
| | | Travis County | TX | 48453 | | Austin-Round Rock-San
Marcos, TX 12420 | | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=TravisCounty+TX |
| | | Tom Green County | TX | 48451 | | San Angelo, TX 41660 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=TomGreenCounty+TX |
| | | Titus County | TX | 48449 | | Mount Pleasant, TX 34420 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=TitusCounty+TX |
