RANKING · 2025 ESTIMATES · 88 SHOWN OF 88

Fastest shrinking, Ohio counties

Ohio counties with the steepest population decline from the 2020 census to 2025. 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

01Lawrence County, OHOH55,710-4.3%−5.1 pts

02Scioto County, OHOH71,365-3.6%−2.2 pts

03Belmont County, OHOH64,434-3.1%−1.9 pts

04Erie County, OHOH73,296-3.1%−6.7 pts

05Monroe County, OHOH12,994-2.9%−0.9 pts

06Harrison County, OHOH14,070-2.9%−1.4 pts

07Meigs County, OHOH21,587-2.8%−3.2 pts

08Jefferson County, OHOH63,597-2.5%+5.4 pts

09Cuyahoga County, OHOH1,232,925-2.5%−1.2 pts

10Columbiana County, OHOH99,377-2.5%−6.0 pts

11Washington County, OHOH58,389-2.3%−3.9 pts

12Ottawa County, OHOH39,481-2.2%−4.6 pts

13Hardin County, OHOH30,072-2.0%−4.7 pts

14Fulton County, OHOH41,853-2.0%−11.3 pts

15Hocking County, OHOH27,512-1.9%−12.5 pts

16Lucas County, OHOH423,347-1.8%−0.3 pts

17Mahoning County, OHOH224,706-1.7%+1.0 pts

18Wyandot County, OHOH21,567-1.5%−4.5 pts

19Williams County, OHOH36,549-1.5%−7.5 pts

20Trumbull County, OHOH198,972-1.5%−0.3 pts

21Fayette County, OHOH28,552-1.4%−4.9 pts

22Allen County, OHOH100,881-1.3%−0.1 pts

23Morgan County, OHOH13,626-1.3%−6.2 pts

24Vinton County, OHOH12,645-1.2%−16.6 pts

25Auglaize County, OHOH45,909-1.1%−5.6 pts

26Seneca County, OHOH54,522-1.0%+0.8 pts

27Tuscarawas County, OHOH92,373-1.0%−9.1 pts

28Carroll County, OHOH26,475-0.9%−9.6 pts

29Ashtabula County, OHOH96,713-0.9%−3.8 pts

30Ross County, OHOH76,429-0.9%−6.7 pts

31Preble County, OHOH40,664-0.8%−6.4 pts

32Darke County, OHOH51,520-0.7%−0.1 pts

33Huron County, OHOH58,250-0.5%−6.3 pts

34Gallia County, OHOH29,072-0.5%−0.9 pts

35Clark County, OHOH135,340-0.5%+1.4 pts

36Paulding County, OHOH18,727-0.4%+0.5 pts

37Sandusky County, OHOH58,655-0.4%−0.1 pts

38Summit County, OHOH538,376-0.4%−5.8 pts

39Marion County, OHOH65,115-0.4%−3.4 pts

40Shelby County, OHOH48,065-0.3%−7.0 pts

41Crawford County, OHOH41,896-0.3%+1.6 pts

42Stark County, OHOH373,771-0.3%−3.1 pts

43Henry County, OHOH27,598-0.2%−0.6 pts

44Putnam County, OHOH34,380-0.2%−2.9 pts

45Lake County, OHOH232,217-0.2%−5.7 pts

46Guernsey County, OHOH38,379-0.2%−4.7 pts

47Wayne County, OHOH116,758-0.1%−10.1 pts

48Pike County, OHOH27,061-0.1%−14.3 pts

49Richland County, OHOH124,893-0.0%−2.2 pts

50Defiance County, OHOH38,292+0.0%−0.4 pts

51Ashland County, OHOH52,523+0.1%−10.4 pts

52Hancock County, OHOH75,034+0.2%−8.6 pts

53Champaign County, OHOH38,820+0.3%−7.7 pts

54Van Wert County, OHOH29,013+0.3%+2.9 pts

55Geauga County, OHOH95,676+0.3%−11.7 pts

56Logan County, OHOH46,302+0.3%−8.4 pts

57Montgomery County, OHOH539,598+0.4%+3.0 pts

58Mercer County, OHOH42,737+0.5%−3.3 pts

59Jackson County, OHOH32,817+0.5%−7.5 pts

60Clinton County, OHOH42,301+0.7%−13.8 pts

61Muskingum County, OHOH87,014+0.7%−2.4 pts

62Hamilton County, OHOH838,418+0.9%+3.4 pts

63Portage County, OHOH163,404+1.0%−5.6 pts

64Noble County, OHOH14,276+1.1%−22.9 pts

65Highland County, OHOH43,823+1.2%−13.2 pts

66Athens County, OHOH63,197+1.2%−3.3 pts

67Medina County, OHOH185,025+1.4%−22.1 pts

68Adams County, OHOH27,865+1.4%−6.3 pts

69Perry County, OHOH35,918+1.4%−6.5 pts

70Wood County, OHOH134,176+1.5%−5.4 pts

71Coshocton County, OHOH37,188+1.6%−1.9 pts

72Brown County, OHOH44,397+1.7%−19.3 pts

73Holmes County, OHOH44,970+1.7%−16.9 pts

74Knox County, OHOH64,002+2.0%−12.8 pts

75Butler County, OHOH400,128+2.5%−11.7 pts

76Franklin County, OHOH1,361,536+2.9%−8.3 pts

77Lorain County, OHOH323,219+3.3%−1.7 pts

78Miami County, OHOH112,634+3.5%−2.6 pts

79Greene County, OHOH174,322+3.8%−4.4 pts

80Morrow County, OHOH36,305+3.9%−10.1 pts

81Licking County, OHOH185,564+3.9%−9.5 pts

82Clermont County, OHOH216,977+4.0%−14.5 pts

83Warren County, OHOH257,181+6.1%−32.9 pts

84Fairfield County, OHOH169,752+6.8%−11.8 pts

85Madison County, OHOH46,985+7.2%−1.3 pts

86Pickaway County, OHOH62,978+7.6%−1.7 pts

87Delaware County, OHOH242,032+13.0%−51.3 pts

88Union County, OHOH73,446+17.0%−11.0 pts

SHOWING 1–88 OF 88

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU POPULATION ESTIMATES