RANKING · 2000 CENSUS · 88 SHOWN OF 88

Fastest growing, Ohio counties · 2000

Ohio counties ranked by population growth from the 1990 census to 2000. 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 shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Delaware County, OHOH242,032+64.3%–

02Warren County, OHOH257,181+39.0%–

03Union County, OHOH73,446+28.0%–

04Noble County, OHOH14,276+24.0%–

05Medina County, OHOH185,025+23.5%–

06Brown County, OHOH44,397+20.9%–

07Fairfield County, OHOH169,752+18.7%–

08Holmes County, OHOH44,970+18.6%–

09Clermont County, OHOH216,977+18.5%–

10Vinton County, OHOH12,645+15.4%–

11Knox County, OHOH64,002+14.8%–

12Clinton County, OHOH42,301+14.5%–

13Highland County, OHOH43,823+14.4%–

14Pike County, OHOH27,061+14.2%–

15Butler County, OHOH400,128+14.2%–

16Morrow County, OHOH36,305+14.0%–

17Licking County, OHOH185,564+13.4%–

18Geauga County, OHOH95,676+12.0%–

19Franklin County, OHOH1,361,536+11.2%–

20Hocking County, OHOH27,512+10.6%–

21Ashland County, OHOH52,523+10.6%–

22Wayne County, OHOH116,758+10.0%–

23Fulton County, OHOH41,853+9.3%–

24Pickaway County, OHOH62,978+9.3%–

25Hancock County, OHOH75,034+8.8%–

26Logan County, OHOH46,302+8.7%–

27Carroll County, OHOH26,475+8.7%–

28Madison County, OHOH46,985+8.5%–

29Greene County, OHOH174,322+8.2%–

30Tuscarawas County, OHOH92,373+8.1%–

31Perry County, OHOH35,918+8.0%–

32Jackson County, OHOH32,817+8.0%–

33Champaign County, OHOH38,820+8.0%–

34Adams County, OHOH27,865+7.7%–

35Wood County, OHOH134,176+6.9%–

36Shelby County, OHOH48,065+6.7%–

37Portage County, OHOH163,404+6.6%–

38Miami County, OHOH112,634+6.1%–

39Williams County, OHOH36,549+6.0%–

40Ross County, OHOH76,429+5.8%–

41Huron County, OHOH58,250+5.8%–

42Lake County, OHOH232,217+5.6%–

43Preble County, OHOH40,664+5.5%–

44Summit County, OHOH538,376+5.4%–

45Lorain County, OHOH323,219+5.0%–

46Morgan County, OHOH13,626+5.0%–

47Auglaize County, OHOH45,909+4.5%–

48Guernsey County, OHOH38,379+4.5%–

49Athens County, OHOH63,197+4.5%–

50Mercer County, OHOH42,737+3.8%–

51Erie County, OHOH73,296+3.6%–

52Fayette County, OHOH28,552+3.5%–

53Columbiana County, OHOH99,377+3.5%–

54Coshocton County, OHOH37,188+3.5%–

55Muskingum County, OHOH87,014+3.1%–

56Marion County, OHOH65,115+3.0%–

57Wyandot County, OHOH21,567+2.9%–

58Ashtabula County, OHOH96,713+2.9%–

59Stark County, OHOH373,771+2.9%–

60Putnam County, OHOH34,380+2.7%–

61Hardin County, OHOH30,072+2.7%–

62Ottawa County, OHOH39,481+2.4%–

63Richland County, OHOH124,893+2.2%–

64Washington County, OHOH58,389+1.6%–

65Lawrence County, OHOH55,710+0.8%–

66Defiance County, OHOH38,292+0.4%–

67Gallia County, OHOH29,072+0.4%–

68Meigs County, OHOH21,587+0.4%–

69Henry County, OHOH27,598+0.4%–

70Sandusky County, OHOH58,655-0.3%–

71Darke County, OHOH51,520-0.6%–

72Paulding County, OHOH18,727-1.0%–

73Allen County, OHOH100,881-1.2%–

74Trumbull County, OHOH198,972-1.2%–

75Belmont County, OHOH64,434-1.2%–

76Cuyahoga County, OHOH1,232,925-1.3%–

77Scioto County, OHOH71,365-1.4%–

78Harrison County, OHOH14,070-1.4%–

79Lucas County, OHOH423,347-1.6%–

80Seneca County, OHOH54,522-1.8%–

81Crawford County, OHOH41,896-1.9%–

82Clark County, OHOH135,340-1.9%–

83Monroe County, OHOH12,994-2.0%–

84Hamilton County, OHOH838,418-2.4%–

85Montgomery County, OHOH539,598-2.6%–

86Van Wert County, OHOH29,013-2.6%–

87Mahoning County, OHOH224,706-2.7%–

88Jefferson County, OHOH63,597-8.0%–

SHOWING 1–88 OF 88

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS