| | | Coke County | TX | 48081 | | | | | not in metro; pop <
5k; metro-adjacent | mining-dependent | https://maps.google.com/?q=CokeCounty+TX |
| | | Coleman County | TX | 48083 | | | | | not in metro; pop <
5k; metro-adjacent | farm-dependent | https://maps.google.com/?q=ColemanCounty+TX |
| | | 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 |
| | | Collingsworth County | TX | 48087 | | | | | not in metro; pop <
5k; non-metro-adjacent | farm-dependent | https://maps.google.com/?q=CollingsworthCounty+TX |
| | | Colorado County | TX | 48089 | | | | | not in metro; pop <
5k; metro-adjacent | nonspecialized | https://maps.google.com/?q=ColoradoCounty+TX |
| | | Comal County | TX | 48091 | | San Antonio-New
Braunfels, TX 41700 | San Antonio-New
Braunfels-Kerrville, TX 484 | Outlying | in metro of > 1m | recreation | https://maps.google.com/?q=ComalCounty+TX |
| | | Comanche County | TX | 48093 | | | | | not in metro; pop <
5k; non-metro-adjacent | farm-dependent | https://maps.google.com/?q=ComancheCounty+TX |
| | | Concho County | TX | 48095 | | | | | not in metro; pop <
5k; metro-adjacent | farm-dependent | https://maps.google.com/?q=ConchoCounty+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 |
| | | Coryell County | TX | 48099 | | Killeen-Temple, TX 28660 | | Central | in metro of > 250k
< 1m | federal/state
government-dependent | https://maps.google.com/?q=CoryellCounty+TX |
