RANKING · 1990 CENSUS · 66 SHOWN OF 66

Most densely populated, Florida counties · 1990

Florida counties ranked by residents per square mile (2023). This list covers the 66 counties in Florida that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Pinellas County, FLFL948,5633,111−8%

02Broward County, FLFL2,013,3171,044−23%

03Seminole County, FLFL491,884929−21%

04Duval County, FLFL1,062,963882−14%

05Hillsborough County, FLFL1,574,115816−17%

06Orange County, FLFL1,528,002750−24%

07Sarasota County, FLFL479,958500−15%

08Palm Beach County, FLFL1,575,726440−24%

09Lee County, FLFL875,607429−24%

10Escambia County, FLFL333,834400−11%

11Brevard County, FLFL663,982393−16%

12Pasco County, FLFL674,516377−18%

13Volusia County, FLFL606,573337−16%

14Leon County, FLFL299,048288−20%

15Manatee County, FLFL468,200285−20%

16St. Lucie County, FLFL402,449263−22%

17Polk County, FLFL874,790225−16%

18Hernando County, FLFL221,701214−23%

19Alachua County, FLFL290,028207−17%

20Martin County, FLFL166,272186−20%

21Indian River County, FLFL172,799180−20%

22Clay County, FLFL239,593175−25%

23Bay County, FLFL204,479167−14%

24Charlotte County, FLFL217,212163−22%

25Citrus County, FLFL171,666161−21%

26Lake County, FLFL456,068160−28%

27Okaloosa County, FLFL221,810155−16%

28St. Johns County, FLFL346,328140−32%

29Marion County, FLFL442,660123−25%

30Putnam County, FLFL77,73489−8%

31Osceola County, FLFL481,71881−38%

32Santa Rosa County, FLFL211,11581−31%

33Gadsden County, FLFL44,29880−9%

34Monroe County, FLFL80,40679−2%

35Bradford County, FLFL28,30777−14%

36Collier County, FLFL417,13176−39%

37Nassau County, FLFL106,87968−24%

38Highlands County, FLFL111,12267−22%

39Flagler County, FLFL140,36059−42%

40Sumter County, FLFL157,77257−41%

41Columbia County, FLFL74,09453−25%

42Jackson County, FLFL49,62945−12%

43Union County, FLFL16,25042−24%

44Suwannee County, FLFL48,14939−23%

45Okeechobee County, FLFL42,60839−17%

46DeSoto County, FLFL37,07837−26%

47Holmes County, FLFL20,11933−15%

48Baker County, FLFL29,73732−17%

49Hardee County, FLFL25,93231−28%

50Washington County, FLFL26,69529−19%

51Gilchrist County, FLFL20,48828−33%

52Walton County, FLFL93,28827−32%

53Madison County, FLFL18,75924−12%

54Wakulla County, FLFL38,08923−38%

55Levy County, FLFL48,52023−25%

56Hendry County, FLFL48,27622−29%

57Hamilton County, FLFL14,18021−18%

58Gulf County, FLFL15,94321−14%

59Calhoun County, FLFL13,28919−15%

60Jefferson County, FLFL16,00719−12%

61Franklin County, FLFL13,02916−19%

62Taylor County, FLFL21,21016−11%

63Dixie County, FLFL18,03815−23%

64Lafayette County, FLFL8,79210−21%

65Glades County, FLFL13,2709−28%

66Liberty County, FLFL8,0357−21%

SHOWING 1–66 OF 66

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES