| | | Collier County | FL | 12021 | | Naples-Marco Island, FL 34940 | Cape Coral-Fort
Myers-Naples, FL 163 | Central | metro county (urban) | recreation | https://maps.google.com/?q=CollierCounty+FL |
| | | Columbia County | FL | 12023 | | Lake City, FL 29380 | Gainesville-Lake City, FL 264 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ColumbiaCounty+FL |
| | | DeSoto County | FL | 12027 | | Arcadia, FL 11580 | North Port-Bradenton, FL 412 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DeSotoCounty+FL |
| | | Dixie County | FL | 12029 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=DixieCounty+FL |
| | | Duval County | FL | 12031 | | Jacksonville, FL 27260 | Jacksonville-Kingsland-Palatka,
FL-GA 300 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=DuvalCounty+FL |
| | | Escambia County | FL | 12033 | | Pensacola-Ferry
Pass-Brent, FL 37860 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=EscambiaCounty+Florida |
| | | Flagler County | FL | 12035 | | Deltona-Daytona
Beach-Ormond Beach, FL 19660 | Orlando-Lakeland-Deltona,
FL 422 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=FlaglerCounty+FL |
| | | Franklin County | FL | 12037 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=FranklinCounty+FL |
| | | Gadsden County | FL | 12039 | | Tallahassee, FL 45220 | Tallahassee-Bainbridge,
FL-GA 533 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=GadsdenCounty+FL |
| | | Gilchrist County | FL | 12041 | | Gainesville, FL 23540 | Gainesville-Lake City, FL 264 | Outlying | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=GilchristCounty+FL |
