| | Harris County | TX | 48201 | | Houston-Pasadena-The
Woodlands, TX 26420 | Houston-Pasadena, TX 288 | Central | Metro > 1m | mining-dependent | https://maps.google.com/?q=HarrisCounty+TX |
| | Harrison County | TX | 48203 | | Longview, TX 30980 | | Outlying | Metro > 250k < 1m | mining-dependent | https://maps.google.com/?q=HarrisonCounty+Texas |
| | Hartley County | TX | 48205 | | | | | Non-metro < 5k
non-metro-adjacent | farm-dependent | https://maps.google.com/?q=HartleyCounty+TX |
| | Haskell County | TX | 48207 | | | | | Non-metro < 5k
metro-adjacent | farm-dependent | https://maps.google.com/?q=HaskellCounty+TX |
| | Hays County | TX | 48209 | | Austin-Round Rock-San
Marcos, TX 12420 | | Central | Metro > 1m | nonspecialized | https://maps.google.com/?q=HaysCounty+TX |
| | Hemphill County | TX | 48211 | | | | | Non-metro < 5k
non-metro-adjacent | mining-dependent | https://maps.google.com/?q=HemphillCounty+TX |
| | Henderson County | TX | 48213 | | Athens, TX 11980 | Dallas-Fort Worth, TX-OK 206 | Central | Non-metro >20k
metro-adjacent | nonspecialized | https://maps.google.com/?q=HendersonCounty+TX |
| | Hidalgo County | TX | 48215 | | McAllen-Edinburg-Mission,
TX 32580 | McAllen-Edinburg, TX 365 | Central | Metro > 250k < 1m | nonspecialized | https://maps.google.com/?q=HidalgoCounty+TX |
| | Hill County | TX | 48217 | | | | | Non-metro > 5k <
20k metro-adjacent | nonspecialized | https://maps.google.com/?q=HillCounty+TX |
| | Hockley County | TX | 48219 | | Lubbock, TX 31180 | Lubbock-Plainview, TX 352 | Outlying | Metro > 250k < 1m | mining-dependent | https://maps.google.com/?q=HockleyCounty+Texas |