| | | Bryan County | OK | 40013 | | Durant, OK 20460 | Dallas-Fort Worth, TX-OK 206 | Central | not in metro; pop > 5k
< 20k; metro-adjacent | nonspecialized | https://maps.google.com/?q=BryanCounty+OK |
| | | Collin County | TX | 48085 | Dallas-Plano-Irving, TX 19124 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=CollinCounty+TX |
| | | Cooke County | TX | 48097 | | Gainesville, TX 23620 | Dallas-Fort Worth, TX-OK 206 | Central | not in metro; pop > 5k
< 20k; metro-adjacent | mining-dependent | https://maps.google.com/?q=CookeCounty+TX |
| | | Dallas County | TX | 48113 | Dallas-Plano-Irving, TX 19124 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Central | in metro of > 1m | nonspecialized | https://maps.google.com/?q=DallasCounty+TX |
| | | Denton County | TX | 48121 | Dallas-Plano-Irving, TX 19124 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Outlying | in metro of > 1m | nonspecialized | https://maps.google.com/?q=DentonCounty+TX |
| | | Ellis County | TX | 48139 | Dallas-Plano-Irving, TX 19124 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Central | in metro of > 1m | manufacturing-dependent | https://maps.google.com/?q=EllisCounty+TX |
| | | Fannin County | TX | 48147 | | Bonham, TX 14300 | Dallas-Fort Worth, TX-OK 206 | Central | not in metro; pop > 5k
< 20k; metro-adjacent | federal/state
government-dependent | https://maps.google.com/?q=FanninCounty+TX |
| | | Grayson County | TX | 48181 | | Sherman-Denison, TX 43300 | Dallas-Fort Worth, TX-OK 206 | Central | in metro of < 250k | nonspecialized | https://maps.google.com/?q=GraysonCounty+TX |
| | | Henderson County | TX | 48213 | | Athens, TX 11980 | Dallas-Fort Worth, TX-OK 206 | Central | not in metro; pop
>20k; metro-adjacent | nonspecialized | https://maps.google.com/?q=HendersonCounty+TX |
| | | Hood County | TX | 48221 | | Granbury, TX 24180 | Dallas-Fort Worth, TX-OK 206 | Central | not in metro; pop
>20k; metro-adjacent | mining-dependent | https://maps.google.com/?q=HoodCounty+TX |
