RANKING · 2010 CENSUS · 88 SHOWN OF 88

Fastest shrinking, Ohio counties · 2010

Ohio counties with the steepest population decline from the 2000 census to 2010. 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 population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Cuyahoga County, OHOH1,232,925-8.2%−6.9 pts

02Mahoning County, OHOH224,706-7.3%−4.5 pts

03Crawford County, OHOH41,896-6.8%−4.9 pts

04Trumbull County, OHOH198,972-6.6%−5.4 pts

05Jefferson County, OHOH63,597-5.7%+2.3 pts

06Hamilton County, OHOH838,418-5.1%−2.7 pts

07Clark County, OHOH135,340-4.4%−2.5 pts

08Montgomery County, OHOH539,598-4.3%−1.7 pts

09Williams County, OHOH36,549-3.9%−10.0 pts

10Columbiana County, OHOH99,377-3.8%−7.3 pts

11Monroe County, OHOH12,994-3.5%−1.5 pts

12Henry County, OHOH27,598-3.4%−3.8 pts

13Richland County, OHOH124,893-3.4%−5.5 pts

14Paulding County, OHOH18,727-3.3%−2.4 pts

15Seneca County, OHOH54,522-3.3%−1.5 pts

16Erie County, OHOH73,296-3.1%−6.7 pts

17Van Wert County, OHOH29,013-3.1%−0.4 pts

18Lucas County, OHOH423,347-2.9%−1.3 pts

19Washington County, OHOH58,389-2.3%−3.9 pts

20Allen County, OHOH100,881-2.0%−0.8 pts

21Guernsey County, OHOH38,379-1.7%−6.3 pts

22Auglaize County, OHOH45,909-1.4%−6.0 pts

23Sandusky County, OHOH58,655-1.4%−1.1 pts

24Wyandot County, OHOH21,567-1.3%−4.2 pts

25Ashtabula County, OHOH96,713-1.2%−4.1 pts

26Defiance County, OHOH38,292-1.2%−1.6 pts

27Stark County, OHOH373,771-0.7%−3.5 pts

28Darke County, OHOH51,520-0.7%−0.1 pts

29Putnam County, OHOH34,380-0.7%−3.3 pts

30Gallia County, OHOH29,072-0.4%−0.8 pts

31Logan County, OHOH46,302-0.3%−9.1 pts

32Mercer County, OHOH42,737-0.3%−4.0 pts

33Summit County, OHOH538,376-0.2%−5.6 pts

34Preble County, OHOH40,664-0.2%−5.7 pts

35Carroll County, OHOH26,4750.0%−8.7 pts

36Harrison County, OHOH14,070+0.1%+1.5 pts

37Lawrence County, OHOH55,710+0.2%−0.6 pts

38Huron County, OHOH58,250+0.2%−5.5 pts

39Belmont County, OHOH64,434+0.2%+1.4 pts

40Hardin County, OHOH30,072+0.4%−2.3 pts

41Scioto County, OHOH71,365+0.4%+1.8 pts

42Marion County, OHOH65,115+0.4%−2.6 pts

43Coshocton County, OHOH37,188+0.7%−2.8 pts

44Morgan County, OHOH13,626+1.1%−3.9 pts

45Ottawa County, OHOH39,481+1.1%−1.3 pts

46Lake County, OHOH232,217+1.1%−4.5 pts

47Ashland County, OHOH52,523+1.2%−9.4 pts

48Fulton County, OHOH41,853+1.5%−7.9 pts

49Muskingum County, OHOH87,014+1.8%−1.3 pts

50Jackson County, OHOH32,817+1.8%−6.2 pts

51Tuscarawas County, OHOH92,373+1.8%−6.3 pts

52Fayette County, OHOH28,552+2.1%−1.4 pts

53Wayne County, OHOH116,758+2.6%−7.3 pts

54Geauga County, OHOH95,676+2.7%−9.3 pts

55Meigs County, OHOH21,587+3.0%+2.7 pts

56Champaign County, OHOH38,820+3.1%−4.9 pts

57Shelby County, OHOH48,065+3.2%−3.5 pts

58Wood County, OHOH134,176+3.7%−3.2 pts

59Pike County, OHOH27,061+3.7%−10.5 pts

60Miami County, OHOH112,634+3.7%−2.4 pts

61Clinton County, OHOH42,301+3.7%−10.8 pts

62Hocking County, OHOH27,512+4.0%−6.6 pts

63Athens County, OHOH63,197+4.1%−0.4 pts

64Noble County, OHOH14,276+4.2%−19.8 pts

65Adams County, OHOH27,865+4.5%−3.3 pts

66Hancock County, OHOH75,034+4.9%−3.9 pts

67Vinton County, OHOH12,645+4.9%−10.5 pts

68Pickaway County, OHOH62,978+5.6%−3.6 pts

69Perry County, OHOH35,918+5.8%−2.2 pts

70Lorain County, OHOH323,219+5.9%+0.9 pts

71Brown County, OHOH44,397+6.1%−14.9 pts

72Portage County, OHOH163,404+6.2%−0.5 pts

73Ross County, OHOH76,429+6.4%+0.6 pts

74Highland County, OHOH43,823+6.6%−7.8 pts

75Madison County, OHOH46,985+8.0%−0.5 pts

76Holmes County, OHOH44,970+8.8%−9.8 pts

77Franklin County, OHOH1,361,536+8.8%−2.4 pts

78Greene County, OHOH174,322+9.3%+1.1 pts

79Morrow County, OHOH36,305+10.1%−3.9 pts

80Butler County, OHOH400,128+10.6%−3.6 pts

81Clermont County, OHOH216,977+10.9%−7.6 pts

82Knox County, OHOH64,002+11.8%−3.0 pts

83Medina County, OHOH185,025+14.1%−9.4 pts

84Licking County, OHOH185,564+14.4%+1.0 pts

85Fairfield County, OHOH169,752+19.1%+0.4 pts

86Union County, OHOH73,446+27.8%−0.1 pts

87Warren County, OHOH257,181+34.3%−4.8 pts

88Delaware County, OHOH242,032+58.4%−5.9 pts

SHOWING 1–88 OF 88

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS