| | Karnes County | TX | 48255 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=KarnesCounty+TX |
| | Kinney County | TX | 48271 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=KinneyCounty+TX |
| | Kleberg County | TX | 48273 | | Kingsville, TX 28780 | Corpus
Christi-Kingsville-Alice,
TX 204 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=KlebergCounty+TX |
| | Limestone County | TX | 48293 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LimestoneCounty+TX |
| | Loving County | TX | 48301 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LovingCounty+TX |
| | Madison County | TX | 48313 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=MadisonCounty+TX |
| | Maverick County | TX | 48323 | | Eagle Pass, TX 20580 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=MaverickCounty+TX |
| | Mitchell County | TX | 48335 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=MitchellCounty+TX |
| | Presidio County | TX | 48377 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=PresidioCounty+TX |
| | Terrell County | TX | 48443 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=TerrellCounty+TX |