RANKING · 2000 CENSUS · 88 SHOWN OF 88

Fastest shrinking, Ohio counties · 2000

Ohio counties with the steepest population decline since the prior decennial census. 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 Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Jefferson County, OHOH63,597-8.0%+0%

02Mahoning County, OHOH224,706-2.7%+0%

03Van Wert County, OHOH29,013-2.6%+0%

04Montgomery County, OHOH539,598-2.6%+0%

05Hamilton County, OHOH838,418-2.4%+0%

06Monroe County, OHOH12,994-2.0%+0%

07Clark County, OHOH135,340-1.9%+0%

08Crawford County, OHOH41,896-1.9%+0%

09Seneca County, OHOH54,522-1.8%+0%

10Lucas County, OHOH423,347-1.6%+0%

11Harrison County, OHOH14,070-1.4%+0%

12Scioto County, OHOH71,365-1.4%+0%

13Cuyahoga County, OHOH1,232,925-1.3%+0%

14Belmont County, OHOH64,434-1.2%+0%

15Trumbull County, OHOH198,972-1.2%+0%

16Allen County, OHOH100,881-1.2%+0%

17Paulding County, OHOH18,727-1.0%+0%

18Darke County, OHOH51,520-0.6%+0%

19Sandusky County, OHOH58,655-0.3%+0%

20Henry County, OHOH27,598+0.4%+0%

21Meigs County, OHOH21,587+0.4%+0%

22Gallia County, OHOH29,072+0.4%+0%

23Defiance County, OHOH38,292+0.4%+0%

24Lawrence County, OHOH55,710+0.8%+0%

25Washington County, OHOH58,389+1.6%+0%

26Richland County, OHOH124,893+2.2%+0%

27Ottawa County, OHOH39,481+2.4%+0%

28Hardin County, OHOH30,072+2.7%+0%

29Putnam County, OHOH34,380+2.7%+0%

30Stark County, OHOH373,771+2.9%+0%

31Ashtabula County, OHOH96,713+2.9%+0%

32Wyandot County, OHOH21,567+2.9%+0%

33Marion County, OHOH65,115+3.0%+0%

34Muskingum County, OHOH87,014+3.1%+0%

35Coshocton County, OHOH37,188+3.5%+0%

36Columbiana County, OHOH99,377+3.5%+0%

37Fayette County, OHOH28,552+3.5%+0%

38Erie County, OHOH73,296+3.6%+0%

39Mercer County, OHOH42,737+3.8%+0%

40Athens County, OHOH63,197+4.5%+0%

41Guernsey County, OHOH38,379+4.5%+0%

42Auglaize County, OHOH45,909+4.5%+0%

43Morgan County, OHOH13,626+5.0%+0%

44Lorain County, OHOH323,219+5.0%+0%

45Summit County, OHOH538,376+5.4%+0%

46Preble County, OHOH40,664+5.5%+0%

47Lake County, OHOH232,217+5.6%+0%

48Huron County, OHOH58,250+5.8%+0%

49Ross County, OHOH76,429+5.8%+0%

50Williams County, OHOH36,549+6.0%+0%

51Miami County, OHOH112,634+6.1%+0%

52Portage County, OHOH163,404+6.6%+0%

53Shelby County, OHOH48,065+6.7%+0%

54Wood County, OHOH134,176+6.9%+0%

55Adams County, OHOH27,865+7.7%+0%

56Champaign County, OHOH38,820+8.0%+0%

57Jackson County, OHOH32,817+8.0%+0%

58Perry County, OHOH35,918+8.0%+0%

59Tuscarawas County, OHOH92,373+8.1%+0%

60Greene County, OHOH174,322+8.2%+0%

61Madison County, OHOH46,985+8.5%+0%

62Carroll County, OHOH26,475+8.7%+0%

63Logan County, OHOH46,302+8.7%+0%

64Hancock County, OHOH75,034+8.8%+0%

65Pickaway County, OHOH62,978+9.3%+0%

66Fulton County, OHOH41,853+9.3%+0%

67Wayne County, OHOH116,758+10.0%+0%

68Ashland County, OHOH52,523+10.6%+0%

69Hocking County, OHOH27,512+10.6%+0%

70Franklin County, OHOH1,361,536+11.2%+0%

71Geauga County, OHOH95,676+12.0%+0%

72Licking County, OHOH185,564+13.4%+0%

73Morrow County, OHOH36,305+14.0%+0%

74Butler County, OHOH400,128+14.2%+0%

75Pike County, OHOH27,061+14.2%+0%

76Highland County, OHOH43,823+14.4%+0%

77Clinton County, OHOH42,301+14.5%+0%

78Knox County, OHOH64,002+14.8%+0%

79Vinton County, OHOH12,645+15.4%+0%

80Clermont County, OHOH216,977+18.5%+0%

81Holmes County, OHOH44,970+18.6%+0%

82Fairfield County, OHOH169,752+18.7%+0%

83Brown County, OHOH44,397+20.9%+0%

84Medina County, OHOH185,025+23.5%+0%

85Noble County, OHOH14,276+24.0%+0%

86Union County, OHOH73,446+28.0%+0%

87Warren County, OHOH257,181+39.0%+0%

88Delaware County, OHOH242,032+64.3%+0%

SHOWING 1–88 OF 88

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