Florida State Genealogical Society
Florida State Genealogical Society

Florida County Formation

For each county in Florida, the following table provides the mailing address of its courthouse, the date on which the county was formed, and the name of the parent counties, if not one of the original counties.
 
County Mailing Address of Courthouse Date of Formation Parent Counties
Alachua PO Box 600
Gainesville, FL 32602
29 Dec 1824 Duval, Saint Johns
Baker 339 E Macclenny Ave
Macclenny, FL 32063-2101
8 Feb 1861 New River
Bay 300 E 4th St
Panama City, FL 32401-3073
24 Apr 1913 Calhoun, Washington
Benton (see Hernando)
Bradford PO Drawer B
Starke, FL 32091-1286
31 Dec 1858
(known as New River until 6 Dec 1861)
Columbia
Brevard PO Box H
Titusville, FL 32780
14 Mar 1844
(known as Saint Lucie until 6 Jan 1855)
Mosquito
Broward PO Box 14668
Fort Lauderdale, FL 33302
30 Apr 1915 Dade, Palm Beach
Calhoun 425 E Central Ave
Blountstown, FL 32424-2242
26 Jan 1838 Franklin
Charlotte PO Box 1687
Punta Gorda, FL 33951
23 Apr 1921 DeSoto
Citrus 110 N Apopka Ave
Inverness, FL 32650
2 Jun 1887 Hernando
Clay PO Box 698
Green Cove Springs, FL 32043
31 Dec 1858 Duval
Collier PO Box 413020
Naples, FL 33941
8 May 1923 Lee
Columbia PO Box 1965
Lake City, FL 32056
4 Feb 1832 Alachua
Dade (see Miami-Dade)
DeSoto PO Box 591
Arcadia, FL 33821
19 May 1887 Manatee
Dixie PO Box 1206
Cross City, FL 32628-1206
25 Apr 1921 Lafayette
Duval 330 E Bay St
Jacksonville, FL 32202-2997
12 Aug 1822 Saint Johns
Escambia 223 S Palafox Pl
Pensacola, FL 32501-5845
21 Jul 1821 original county
Fayette  
9 Feb 1832
(re-annexed by Jackson
on 1 Feb 1834)
Jackson
Flagler PO Box 787
Bunnell, FL 32110
28 Apr 1917 Saint Johns, Volusia
Franklin PO Box 340
Apalachicola, FL 32320
8 Feb 1832 Jackson
Gadsden PO Box 1649
Quincy, FL 32351
24 Jun 1823 Jackson
Gilchrist 112 S Main St
Trenton, FL 32693
4 Dec 1925 Alachua
Glades PO Box 10
Moore Haven, FL 33471-0010
23 Apr 1921 DeSoto
Gulf 1000 5th St
Port St. Joe, FL 32456-1648
6 Jun 1925 Calhoun
Hamilton PO Box 312
Jasper, FL 32052
26 Dec 1827 Jefferson
Hardee 412 W Orange St
Wauchula, FL 33873-2831
23 Apr 1921 DeSoto
Hendry PO Box 1760
LaBelle, FL 33935
11 May 1923 Lee
Hernando PO Box 1660
Brooksville, FL 44298
24 Feb 1843
(known as Benton between 6 Mar 1844
and 24 Dec 1850)
Alachua
Highlands 430 S Commerce Ave
Sebring, FL 33870-3705
23 Apr 1921 DeSoto
Hillsborough 419 N Pierce St
Tampa, FL 33602-4022
25 Jan 1834 Alachua, Monroe
Holmes 201 N Oklahoma St
Bonifay, FL 32425-2243
8 Jan 1848 Jackson, Walton
Indian River PO Box 1028
Vero Beach, FL 32961
30 May 1925 Saint Lucie
Jackson PO Box 510
Marianna, FL 32446-0510
12 Aug 1822 Escambia
Jefferson Monticello, FL 32344 20 Jan 1827 Leon
Lafayette PO Box 88
Mayo, FL 32066
23 Dec 1856 Madison
Lake 315 W Main St
Tavares, FL 32778-3878
27 May 1887 Orange, Sumter
Lee PO Box 2469
Ft. Myers, FL 33902
13 May 1887 Monroe
Leon PO Box 726
Tallahassee, FL 32302
29 Dec 1824 Gadsden
Levy PO Box 610
Bronson, Fl 32621-0610
10 Mar 1845 Alachua, Marion
Liberty PO Box 399
Bristol, FL 32321
15 Dec 1855 Franklin, Gadsden
Madison PO Box 237
Madison, FL 32340-0237
26 Dec 1827 Jefferson
Manatee PO Box 1000
Bradenton, FL 34206-1000
9 Jan 1855 Hillsborough
Marion PO Box 1030
Ocala, FL 32678
14 Mar 1844 Alachua, Mosquito
Martin PO Box 779
Stuart, FL 33495
30 May 1925 Palm Beach, Saint Lucie
Miami-Dade 111 NW First St
Miami, FL 33128
4 Feb 1836
(known as Dade until 13 Nov 1997)
Monroe
Monroe 500 Whitehead St
Key West, FL 33040-6581
3 Jul 1823 Saint Johns
Mosquito (see Orange)
Nassau PO Box 456
Fernandina Beach, FL 33040
29 Dec 1824 Duval
New River (see Bradford)
Okaloosa Hwy 90
Crestview, FL 32536
13 Jun 1915 Santa Rosa, Walton
Okeechobee 304 NW 2nd St
Okeechobee, FL 34972-4146
8 May 1917 Osceola, Palm Beach, Saint Lucie
Orange 201 S Rosalind Ave
Orlando, FL 32801-3547
29 Dec 1824
(known as Mosquito until 30 Jan 1845)
Saint Johns
Osceola 21 S Vernon Ave
Kissimmee, FL 34741-5188
12 May 1887 Brevard, Orange
Palm Beach 301 N Olive Ave
West Palm Beach, FL 33401
30 Apr 1909 Dade
Pasco 7530 Little Rd
New Port Richey, FL 34654
2 Jun 1887 Hernando
Pinellas 315 Court St
Clearwater, FL 34616-5165
1 Jan 1912 Hillsborough
Polk PO Box 9000
Bartow, FL 33830
8 Feb 1861 Brevard, Hillsborough
Putnam 410 St. Johns Ave
Palatka, FL 32177-4725
13 Jan 1849 Alachua, Marion, Orange, Saint Johns
Saint Johns 99 Cordova St
St. Augustine, FL 32084-4415
21 Jul 1821 original county
Saint Lucie
(also see Brevard)
221 S Indian River Dr
Fort Pierce, FL 34950-4301
24 May 1905 Brevard
Santa Rosa PO Box 472
Milton, FL 32572
18 Feb 1842 Escambia
Sarasota 2000 Main St
Sarasota, FL 34237-6036
14 May 1921 Manatee
Seminole 301 N Park Ave
Sanford, FL 32771-1292
25 Apr 1913 Orange
Sumter 209 N Florida St
Bushnell, FL 33513-9402
8 Jan 1853 Marion
Suwannee 200 Ohio Ave S
Live Oak, FL 32060-3239
21 Dec 1858 Columbia
Taylor PO Box 620
Perry, FL 32347-0620
23 Dec 1856 Madison
Union 55 W Main St, Rm 103
Lake Butler, FL 32054-1600
20 May 1921 Bradford
Volusia 123 W Indiana Ave
DeLand, FL 32720-4210
29 Dec 1854 Orange
Wakulla PO Box 337
Crawfordville, FL 32327
11 Mar 1843 Leon
Walton PO Box 1260
DeFuniak Springs, FL 32433
29 Dec 1824 Escambia, Jackson
Washington 201 W Cypress Ave, Suite B
Chipley, FL 32428
9 Dec 1825 Jackson, Walton