

|
County
|
County Seat |
Square Miles |
Date
Formed
|
Coordinator
|
| Alachua | Gainesville |
874 |
1824 | Up for Adoption |
| Baker | Macclenny |
585 |
1861 | Up for Adoption |
| Bay | Panama City |
764 |
1913 | Up for Adoption |
|
Bradford
was New
River1858
|
Starke
|
293 |
1861
|
Up for Adoption
|
| Brevard | Titusville |
1,018 |
1855 | Up for Adoption |
| Broward | Fort Lauderdale |
1,209 |
1915 | Up for Adoption |
| Calhoun | Blountstown |
567 |
1838 | Up for Adoption |
| Charlotte | Punta Gorda |
694 |
1921 | Up for Adoption |
| Citrus | Inverness |
584 |
1887 | Up for Adoption |
| Clay | Green Cove Springs |
601 |
1858 | Up for Adoption |
| Collier | East Naples |
2,026 |
1923 | Up for Adoption |
| Columbia | Lake City |
797 |
1832 | Up for Adoption |
| DeSoto | Arcadia |
637 |
1887 | Up for Adoption |
| Dixie | Cross City |
704 |
1921 | Up for Adoption |
| Duval | Jacksonville |
774 |
1822 | Up for Adoption |
| Escambia | Pensacola |
664 |
1821 | Up for Adoption |
| Flagler | Bunnell |
485 |
1917 | Up for Adoption |
| Franklin | Apalachicola |
534 |
1832 | Up for Adoption |
| Gadsden | Quincy |
516 |
1823 | Up for Adoption |
| Gilchrist | Trenton |
349 |
1925 | Up for Adoption |
| Glades | Moore Haven |
774 |
1921 | Up for Adoption |
| Gulf | Port St. Joe |
565 |
1925 | Up for Adoption |
| Hamilton | Jasper |
515 |
1827 | Up for Adoption |
| Hardee | Wauchula |
637 |
1921 | Up for Adoption |
| Hendry | LaBelle |
1,153 |
1923 | Up for Adoption |
| Hernando | Brooksville |
478 |
1840 | Up for Adoption |
| Highlands | Sebring |
1,028 |
1921 | Up for Adoption |
| Hillsborough | Tampa |
1,051 |
1834 | Up for Adoption |
| Holmes | Bonifay |
482 |
1848 | Up for Adoption |
| Indian River | Vero Beach |
503 |
1925 | Up for Adoption |
| Jackson | Marianna |
916 |
1822 | Up for Adoption |
| Jefferson | Monticello |
598 |
1827 | Up for Adoption |
| Lafayette | Mayo |
543 |
1856 | Up for Adoption |
| Lake | Tavares |
953 |
1887 | Up for Adoption |
| Lee | Fort Myers |
804 |
1887 | Up for Adoption |
| Leon | Tallahassee |
667 |
1824 | Up for Adoption |
| Levy | Bronson |
1,118 |
1845 | Up for Adoption |
| Liberty | Bristol |
836 |
1855 | Up for Adoption |
| Madison | Madison |
692 |
1827 | Up for Adoption |
| Manatee | Bradenton |
741 |
1855 | Up for Adoption |
| Marion | Ocala |
1,579 |
1844 | Up for Adoption |
| Martin | Stuart |
556 |
1925 | Up for Adoption |
| Miami-Dade was Dade | Miami |
1,945 |
1836 | Up for Adoption |
| Monroe | Key West |
997 |
1823 | Up for Adoption |
| Nassau | Fernandina Beach |
652 |
1824 | Up for Adoption |
| Okaloosa | Crestview |
936 |
1915 | FAWN |
| Okeechobee | Okeechobee |
774 |
1917 | Up for Adoption |
|
Orange Mosquito County 1824 |
Orlando |
908 |
1845 | Up for Adoption |
| Osceola | Kissimmee |
1,322 |
1887 | Up for Adoption |
| Palm Beach | West Palm Beach |
2,034 |
1909 | Up for Adoption |
| Pasco | Dade City |
745 |
1887 | Up for Adoption |
| Pinellas | Clearwater |
280 |
1911 | Up for Adoption |
| Polk | Bartow |
1,875 |
1861 | Up for Adoption |
| Putnam | Palatka |
722 |
1849 | Up for Adoption |
| Saint Johns | St. Augustine |
1,016 |
1821 | Up for Adoption |
| Saint Lucie | Fort Pierce |
572 |
1905* |
Up for Adoption |
| Santa Rosa | Milton |
308 |
1842 | Up for Adoption |
| Sarasota | Sarasota |
609 |
1921 | Up for Adoption |
| Seminole | Sanford |
572 |
1913 | Up for Adoption |
| Sumter | Bushnell |
546 |
1853 | Up for Adoption |
| Suwannee | Live Oak |
688 |
1858 | Up for Adoption |
| Taylor | Perry |
1,042 |
1856 | Up for Adoption |
| Union | Lake Butler |
240 |
1921 | Up for Adoption |
| Volusia | DeLand |
1,106 |
1854 | Up for Adoption |
| Wakulla | Crawfordville |
607 |
1843 | Up for Adoption |
| Walton | DeFuniak Springs |
1,058 |
1824 | Up for Adoption |
| Washington | Chipley |
580 |
1825 | Up for Adoption |
| . | . |