RANKING · 2000 CENSUS · 88 SHOWN OF 88

Most sparsely populated, Ohio counties · 2000

Ohio counties with the fewest residents per square mile (2023). This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Vinton County, OHOH12,64531+0%

02Monroe County, OHOH12,99433+0%

03Noble County, OHOH14,27635+0%

04Morgan County, OHOH13,62636+0%

05Harrison County, OHOH14,07039+0%

06Adams County, OHOH27,86547+0%

07Paulding County, OHOH18,72749+0%

08Meigs County, OHOH21,58754+0%

09Wyandot County, OHOH21,56756+0%

10Pike County, OHOH27,06163+0%

11Coshocton County, OHOH37,18865+0%

12Gallia County, OHOH29,07267+0%

13Hocking County, OHOH27,51267+0%

14Hardin County, OHOH30,07268+0%

15Fayette County, OHOH28,55270+0%

16Henry County, OHOH27,59870+0%

17Putnam County, OHOH34,38072+0%

18Van Wert County, OHOH29,01372+0%

19Carroll County, OHOH26,47573+0%

20Highland County, OHOH43,82374+0%

21Jackson County, OHOH32,81778+0%

22Morrow County, OHOH36,30578+0%

23Guernsey County, OHOH38,37978+0%

24Perry County, OHOH35,91884+0%

25Madison County, OHOH46,98586+0%

26Brown County, OHOH44,39786+0%

27Mercer County, OHOH42,73788+0%

28Darke County, OHOH51,52089+0%

29Champaign County, OHOH38,82091+0%

30Holmes County, OHOH44,97092+0%

31Williams County, OHOH36,54993+0%

32Union County, OHOH73,44695+0%

33Defiance County, OHOH38,29296+0%

34Clinton County, OHOH42,30199+0%

35Preble County, OHOH40,664100+0%

36Washington County, OHOH58,389100+0%

37Logan County, OHOH46,302100+0%

38Knox County, OHOH64,002104+0%

39Fulton County, OHOH41,853104+0%

40Pickaway County, OHOH62,978105+0%

41Ross County, OHOH76,429106+0%

42Seneca County, OHOH54,522106+0%

43Auglaize County, OHOH45,909116+0%

44Crawford County, OHOH41,896117+0%

45Shelby County, OHOH48,065118+0%

46Huron County, OHOH58,250121+0%

47Athens County, OHOH63,197124+0%

48Ashland County, OHOH52,523124+0%

49Muskingum County, OHOH87,014127+0%

50Scioto County, OHOH71,365130+0%

51Belmont County, OHOH64,434132+0%

52Hancock County, OHOH75,034134+0%

53Lawrence County, OHOH55,710137+0%

54Ashtabula County, OHOH96,713146+0%

55Sandusky County, OHOH58,655151+0%

56Tuscarawas County, OHOH92,373160+0%

57Ottawa County, OHOH39,481161+0%

58Marion County, OHOH65,115164+0%

59Jefferson County, OHOH63,597181+0%

60Wood County, OHOH134,176196+0%

61Wayne County, OHOH116,758201+0%

62Columbiana County, OHOH99,377211+0%

63Licking County, OHOH185,564213+0%

64Geauga County, OHOH95,676227+0%

65Miami County, OHOH112,634243+0%

66Fairfield County, OHOH169,752243+0%

67Delaware County, OHOH242,032248+0%

68Richland County, OHOH124,893260+0%

69Allen County, OHOH100,881269+0%

70Portage County, OHOH163,404312+0%

71Erie County, OHOH73,296317+0%

72Greene County, OHOH174,322358+0%

73Medina County, OHOH185,025359+0%

74Trumbull County, OHOH198,972365+0%

75Clark County, OHOH135,340366+0%

76Clermont County, OHOH216,977393+0%

77Warren County, OHOH257,181395+0%

78Lorain County, OHOH323,219580+0%

79Mahoning County, OHOH224,706626+0%

80Stark County, OHOH373,771657+0%

81Butler County, OHOH400,128713+0%

82Lake County, OHOH232,217992+0%

83Montgomery County, OHOH539,5981,212+0%

84Summit County, OHOH538,3761,315+0%

85Lucas County, OHOH423,3471,340+0%

86Franklin County, OHOH1,361,5362,008+0%

87Hamilton County, OHOH838,4182,085+0%

88Cuyahoga County, OHOH1,232,9253,049+0%

SHOWING 1–88 OF 88

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