County County Seat Date Notes Coordinates Alachua Created 1824 Wanton's 1824 29°30′23″N 82°16′55″W / 29.506389°N 82.281944°W / 29.506389; -82.281944 Newnansville 1828 Transferred to Columbia County in 1832. 29°48′31″N 82°28′36″W / 29.808611°N 82.476667°W / 29.808611; -82.476667 Unknown 1830s Newnansville 1839 Changed by an act of the state legislature on February 10, 1839, back to Alachua County 29°48′31″N 82°28′36″W / 29.808611°N 82.476667°W / 29.808611; -82.476667 Gainesville 1853 The Florida Railroad bypassed Newnansville and Gainesville was established along the route of the rail line. 29°39′07″N 82°19′30″W / 29.651997°N 82.324992°W / 29.651997; -82.324992 Baker Created 1861 Sanderson 1861 30°15′08″N 82°16′22″W / 30.252222°N 82.272778°W / 30.252222; -82.272778 Macclenny 1877 Originally called Darbyville. County seat moved from Sanderson after a courthouse fire in 1877. 30°17′00″N 82°07′00″W / 30.283333°N 82.116667°W / 30.283333; -82.116667 Bay Created 1913 Panama City 1913 Established in 1888 as Park Resort on St. Andrews Bay (Florida) . 30°10′28″N 85°39′52″W / 30.174444°N 85.664444°W / 30.174444; -85.664444 Bradford Created 1858 Lake Butler 1860 30°01′18″N 82°20′27″W / 30.021667°N 82.340833°W / 30.021667; -82.340833 Starke 1887 Changed by referendum on August 17, 1887. 29°56′50″N 82°06′29″W / 29.947222°N 82.108056°W / 29.947222; -82.108056 Brevard Created 1844 Susannah 1844 Community located outside Fort Pierce. 27°26′20″N 80°20′08″W / 27.438889°N 80.335556°W / 27.438889; -80.335556 Bassville 1864 Eau Gallie 1874 28°07′45″N 80°37′48″W / 28.129167°N 80.63°W / 28.129167; -80.63 Lake View 1875 Titusville 1879 Changed by referendum in 1879. 28°35′28″N 80°49′12″W / 28.591111°N 80.82°W / 28.591111; -80.82 Broward Created 1915 Fort Lauderdale 1915 Began to grow as a community once the Florida East Coast Railway reached the area in the 1890s. 30°10′28″N 80°08′15″W / 30.174444°N 80.137397°W / 30.174444; -80.137397 Calhoun Created 1838 St. Joseph 1838 Established 1835 on St. Joseph Bay and soon became the most populous town in the territory of Florida Suffered a yellow fever outbreak in 1841. Remains of the abandoned town destroyed by the storm surge of a hurricane that stuck the Gulf Coast in September 1843. Abe Springs 1850s 30°21′57″N 85°08′51″W / 30.365833°N 85.1475°W / 30.365833; -85.1475 Blountstown 1880 Established on the Apalachicola River as a river port prior to the American Civil War Changed by referendum on April 1, 1880. 30°26′35″N 85°02′43″W / 30.443056°N 85.045278°W / 30.443056; -85.045278 Charlotte Created 1921 Punta Gorda 1921 Began to grow as a community as the terminus of the Florida Southern Railway on Charlotte Harbor when the line reached the area in the 1886. 26°54′57″N 82°02′52″W / 26.915833°N 82.047778°W / 26.915833; -82.047778 Citrus Created 1887 Mannfield 1887 Inverness 1891 Established as a sawmill town by the late 1860s. 28°50′21″N 82°20′25″W / 28.839167°N 82.340278°W / 28.839167; -82.340278 Clay Created 1858 Middleburg 1858 30°03′03″N 81°54′07″W / 30.050833°N 81.901944°W / 30.050833; -81.901944 Whitesville 1859 Changed by referendum on October 3, 1859. Whitesvilles was renamed Webster. Green Cove Springs 1872 29°59′34″N 81°41′02″W / 29.992778°N 81.683889°W / 29.992778; -81.683889 Collier Created 1923 Everglades 1923 Began to grow as a community as the terminus of the Florida Southern Railway on Charlotte Harbor when the line reached the area in the 1886. Everglades suffered damage during Hurricane Donna in 1960. 25°51′32″N 81°23′05″W / 25.858889°N 81.384722°W / 25.858889; -81.384722 East Naples 1962 26°08′17″N 81°46′00″W / 26.138056°N 81.766667°W / 26.138056; -81.766667 Columbia Created 1832 Newnansville 1832 Previously the county seat of Alachua County from 1828 to 1832. Transferred to Alachua County by the state legislature on February 10, 1839. 29°48′31″N 82°28′36″W / 29.808611°N 82.476667°W / 29.808611; -82.476667 Alligator 1839 Alligator was renamed Lake City in 1859. 30°11′00″N 82°38′00″W / 30.183333°N 82.633333°W / 30.183333; -82.633333 DeSoto Created 1887 Pine Level 1887 Formerly the county seat of Manatee County 27°15′54″N 81°59′31″W / 27.265132°N 81.991960°W / 27.265132; -81.991960 Arcadia 1889 27°12′57″N 81°51′30″W / 27.215819°N 81.858266°W / 27.215819; -81.858266 Dixie Created 1921 Cross City 1921 29°38′07″N 83°07′29″W / 29.635278°N 83.124722°W / 29.635278; -83.124722 Duval Created 1822 Jacksonville 1822 30°20′13″N 81°39′41″W / 30.336944°N 81.661389°W / 30.336944; -81.661389 Escambia Created 1821 Pensacola 1821 Capital of West Florida from 1763 to 1821. 30°25′18″N 87°12′59″W / 30.421591°N 87.216478°W / 30.421591; -87.216478 Fayette CountyCreated 1832 Merged with Jackson 1834 Ochesee 1832 Flagler Created 1917 Bunnell 1917 29°28′03″N 81°15′25″W / 29.4675°N 81.256944°W / 29.4675; -81.256944 Franklin Created 1832 Apalachicola 1832 29°43′31″N 84°59′33″W / 29.725278°N 84.9925°W / 29.725278; -84.9925 Gadsden Created 1823 Quincy 1823 30°35′00″N 84°35′00″W / 30.583333°N 84.583333°W / 30.583333; -84.583333 Gilchrist Created 1925 Trenton 1925 29°36′48″N 82°49′06″W / 29.613405°N 82.818209°W / 29.613405; -82.818209 Glades Created 1921 Moore Haven 1921 26°50′00″N 81°05′31″W / 26.833425°N 81.091816°W / 26.833425; -81.091816 Gulf Created 1925 Wewahitchka 1925 30°06′51″N 85°11′55″W / 30.114167°N 85.198611°W / 30.114167; -85.198611 Port St. Joe 1965 29°48′53″N 85°17′50″W / 29.814722°N 85.297222°W / 29.814722; -85.297222 Hamilton Created 1827 Micco Town 1827 Previously a Seminole town. Jasper 1835 30°31′08″N 82°57′04″W / 30.518889°N 82.951111°W / 30.518889; -82.951111 Hardee Created 1921 Wauchula 1921 27°32′46″N 81°48′52″W / 27.546111°N 81.814444°W / 27.546111; -81.814444 Hendry Created 1923 LaBelle 1923 26°45′38″N 81°26′21″W / 26.760556°N 81.439167°W / 26.760556; -81.439167 Hernando Created 1843 De Soto 1843 Previously a fort during the Seminole Wars. Bayport 1860 Bombed during the American Civil War by the United States Navy 28°32′54″N 82°38′43″W / 28.548333°N 82.645278°W / 28.548333; -82.645278 Brooksville 1863 Established in 1856 Became county seat in response to the bombing of Bayport 28°33′13″N 82°23′19″W / 28.553611°N 82.388611°W / 28.553611; -82.388611 Highlands Created 1921 Sebring 1921 27°29′44″N 81°26′28″W / 27.495620°N 81.441001°W / 27.495620; -81.441001 Hillsborough Created 1834 Tampa 1834 27°58′05″N 82°28′35″W / 27.968056°N 82.476389°W / 27.968056; -82.476389 Holmes Created 1848 Cerrogordo 1848 30°49′55″N 85°53′15″W / 30.831944°N 85.8875°W / 30.831944; -85.8875 Pittman's Ferry 18?? Westville 187? 28°33′13″N 82°23′19″W / 28.553611°N 82.388611°W / 28.553611; -82.388611 Bonifay 1904 30°47′00″N 85°41′00″W / 30.783333°N 85.683333°W / 30.783333; -85.683333 Indian River Created 1925 Vero Beach 1925 27°38′19″N 80°23′50″W / 27.638648°N 80.397264°W / 27.638648; -80.397264 Jackson Created 1822 Webbville 1822 Marianna 1828 30°46′35″N 85°14′17″W / 30.776389°N 85.238056°W / 30.776389; -85.238056 Jefferson Created 1827 Monticello 1828 30°32′42″N 83°52′13″W / 30.545131°N 83.870254°W / 30.545131; -83.870254 Lafayette Created 1853 New Troy 1858 Mayo 1892 County seat changed after the courthouse at New Troy was destroyed by fire. 30°03′07″N 83°10′32″W / 30.051944°N 83.175556°W / 30.051944; -83.175556 Lake Created 1887 Bloomfield 1887 Tavares 1888 28°48′06″N 81°44′01″W / 28.801667°N 81.733611°W / 28.801667; -81.733611 Lee Created 1887 Fort Myers 1887 26°37′00″N 81°50′00″W / 26.616667°N 81.833333°W / 26.616667; -81.833333 Leon Created 1824 Tallahassee 1824 Capital of Florida from its founding, replacing former capitals St. Augustine (East Florida) and Pensacola (West Florida). 30°26′17″N 84°16′50″W / 30.438147°N 84.280561°W / 30.438147; -84.280561 Levy Created 1845 Sodom 1852 Renamed Mount Pleasant in 1854. Renamed Levyville in 1856. Bronson 1869 29°26′56″N 82°38′11″W / 29.448889°N 82.636389°W / 29.448889; -82.636389 Liberty Created 1855 Riddleysville 185? Bristol 18?? 30°25′37″N 84°58′45″W / 30.426944°N 84.979167°W / 30.426944; -84.979167 Madison Created 1827 San Pedro 1835 Madison 1836 30°28′00″N 83°25′00″W / 30.466667°N 83.416667°W / 30.466667; -83.416667 Manatee Created 1855 Manatee 1855 Pine Level 1866 Later the county seat of DeSoto County 27°15′55″N 81°59′31″W / 27.265229°N 81.991835°W / 27.265229; -81.991835 Bradenton 1887 27°29′00″N 82°35′00″W / 27.483333°N 82.583333°W / 27.483333; -82.583333 Marion Created 1844 Ocala 1846 The community grew up around Fort King . 29°11′16″N 82°07′50″W / 29.187778°N 82.130556°W / 29.187778; -82.130556 Martin Created 1925 Stuart 1925 27°11′32″N 80°14′35″W / 27.192222°N 80.243056°W / 27.192222; -80.243056 Miami-Dade Created 1836 Indian Key 1836 24°53′00″N 80°41′00″W / 24.883333°N 80.683333°W / 24.883333; -80.683333 Miami 1844 25°46′31″N 80°12′32″W / 25.775278°N 80.208889°W / 25.775278; -80.208889 Juno 1866 Miami 1899 25°46′31″N 80°12′32″W / 25.775278°N 80.208889°W / 25.775278; -80.208889 Monroe Created 1823 Key West 1823 24°33′33″N 81°47′03″W / 24.559167°N 81.784031°W / 24.559167; -81.784031 Nassau Created 1824 Fernandina Beach 1824 30°40′10″N 81°27′42″W / 30.669444°N 81.461667°W / 30.669444; -81.461667 Okaloosa Created 1915 Milligan 1915 Damaged when the Yellow River flooded in 1917. Crestview 1917 30°45′15″N 86°34′22″W / 30.754167°N 86.572778°W / 30.754167; -86.572778 Okeechobee Created 1917 Okeechobee 1917 27°14′38″N 80°49′17″W / 27.243889°N 80.821389°W / 27.243889; -80.821389 Orange Created 1824 John Bunch's 1824 County seat of then Mosquito County New Smyrna 1835 Enterprise 1843 Northern half of Mosquito County renamed Orange County in 1845. Southern half established as St. Lucie County in 1844. 28°52′09″N 81°16′00″W / 28.869167°N 81.266667°W / 28.869167; -81.266667 Mellonville 1846 Orlando 1856 28°32′18″N 81°22′45″W / 28.538434°N 81.379108°W / 28.538434; -81.379108 Osceola Created 1887 Kissimmee 1887 28°18′14″N 81°24′46″W / 28.303889°N 81.412778°W / 28.303889; -81.412778 Palm Beach Created 1909 West Palm Beach 1909 Established along the route of the Florida East Coast Railway in 1894. 26°42′35″N 80°03′51″W / 26.709722°N 80.064167°W / 26.709722; -80.064167 Pasco Beach Created 1887 Dade City 1887 28°21′41″N 82°11′36″W / 28.361389°N 82.193333°W / 28.361389; -82.193333 Pinellas Created 1912 Clearwater 1912 Clearwater's status as county seat was legally contentious for a number of years after the establishment of Pinellas County. 27°58′25″N 82°45′51″W / 27.973611°N 82.764167°W / 27.973611; -82.764167 Polk Created 1861 Jefferson 1862 Bartow 1867 27°53′33″N 81°50′23″W / 27.8925°N 81.839722°W / 27.8925; -81.839722 Putnam Created 1849 Palatka 1849 29°38′52″N 81°39′05″W / 29.647778°N 81.651389°W / 29.647778; -81.651389 St. Johns Created 1821 St. Augustine 1821 Capital of Spanish Florida from 1565 to 1763. Capital of East Florida from 1763 to 1821. Capital of Florida Territory from 1822 to 1824. 29°53′41″N 81°18′52″W / 29.894722°N 81.314444°W / 29.894722; -81.314444 St. Lucie Created 1905 Fort Pierce 1905 Former county seat of Brevard County from 1844 to 1864. 27°26′20″N 80°20′08″W / 27.438889°N 80.335556°W / 27.438889; -80.335556 Santa Rosa Created 1842 Milton 1842 30°37′49″N 87°02′47″W / 30.630278°N 87.046389°W / 30.630278; -87.046389 Sarasota Created 1921 Sarasota 1921 27°20′14″N 82°32′07″W / 27.337222°N 82.535278°W / 27.337222; -82.535278 Seminole Created 1913 Sanford 1913 28°47′22″N 81°16′32″W / 28.789444°N 81.275556°W / 28.789444; -81.275556 Sumter Created 1853 Adamsville 1853 28°47′59″N 82°01′14″W / 28.799722°N 82.020556°W / 28.799722; -82.020556 Leesburg 185? 28°48′38″N 81°53′00″W / 28.810556°N 81.883333°W / 28.810556; -81.883333 Sumterville 1881 Changed by referendum on October 15, 1881. Courthouse destroyed by fire on January 30, 1909. 28°44′51″N 82°03′50″W / 28.7475°N 82.063889°W / 28.7475; -82.063889 Bushnell 1912 Changed by referendum in 1912 after political fighting arose after the courthouse fire at Sumterville. 28°39′50″N 82°06′51″W / 28.663889°N 82.114167°W / 28.663889; -82.114167 Suwannee Created 1858 Houston 1858 30°15′25″N 82°54′09″W / 30.256944°N 82.9025°W / 30.256944; -82.9025 Live Oak 186? Located at the junction of the Florida spur of the Atlantic and Gulf Railroad and the Florida, Atlantic and Gulf Central Railroad . 30°17′40″N 82°59′09″W / 30.294444°N 82.985833°W / 30.294444; -82.985833 Taylor Created 1856 Perry 1856 30°06′52″N 83°34′57″W / 30.114444°N 83.5825°W / 30.114444; -83.5825 Union Created 1921 Lake Butler 1921 Formerly the county seat of Bradford County from 1860 until 1887. 30°01′21″N 82°20′23″W / 30.022602°N 82.339643°W / 30.022602; -82.339643 Volusia Created 1854 Enterprise 1856 Formerly the county seat of Orange County from 1843 to 1846. 28°52′09″N 81°16′00″W / 28.869167°N 81.266667°W / 28.869167; -81.266667 Deland 1888 29°01′44″N 81°18′02″W / 29.028889°N 81.300556°W / 29.028889; -81.300556 Wakulla Created 1843 Port Leon 1843 Declared county seat on March 11, 1843 Devastated by a hurricane on September 13, 1843. 30°07′52″N 84°11′42″W / 30.131111°N 84.195°W / 30.131111; -84.195 Newport 1843 Residents of Port Leon moved to Newport following the devastation of the hurricane. 30°11′58″N 84°10′51″W / 30.199421°N 84.180700°W / 30.199421; -84.180700 Crawfordville 1865/6 30°10′34″N 84°22′31″W / 30.176111°N 84.375278°W / 30.176111; -84.375278 Walton Created 1824 Alaqua 182? Eucheanna 184? Courthouse destroyed by fire in 1885. DeFuniak Springs 1886 Changed by referendum on February 16, 1886. 30°43′00″N 86°07′00″W / 30.716667°N 86.116667°W / 30.716667; -86.116667 Washington Created 1825 Vernon 1825 30°37′18″N 85°42′42″W / 30.621667°N 85.711667°W / 30.621667; -85.711667 Chipley 1927 30°46′45″N 85°32′21″W / 30.779167°N 85.539167°W / 30.779167; -85.539167