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%−654%

02Scioto County, OHOH71,365-3.6%+153%

03Belmont County, OHOH64,434-3.1%+160%

04Erie County, OHOH73,296-3.1%−185%

05Monroe County, OHOH12,994-2.9%+43%

06Harrison County, OHOH14,070-2.9%+100%

07Meigs County, OHOH21,587-2.8%−859%

08Jefferson County, OHOH63,597-2.5%−68%

09Cuyahoga County, OHOH1,232,925-2.5%+96%

10Columbiana County, OHOH99,377-2.5%−170%

11Washington County, OHOH58,389-2.3%−244%

12Ottawa County, OHOH39,481-2.2%−192%

13Hardin County, OHOH30,072-2.0%−176%

14Fulton County, OHOH41,853-2.0%−122%

15Hocking County, OHOH27,512-1.9%−118%

16Lucas County, OHOH423,347-1.8%+16%

17Mahoning County, OHOH224,706-1.7%−38%

18Wyandot County, OHOH21,567-1.5%−152%

19Williams County, OHOH36,549-1.5%−125%

20Trumbull County, OHOH198,972-1.5%+26%

21Fayette County, OHOH28,552-1.4%−139%

22Allen County, OHOH100,881-1.3%+11%

23Morgan County, OHOH13,626-1.3%−126%

24Vinton County, OHOH12,645-1.2%−108%

25Auglaize County, OHOH45,909-1.1%−124%

26Seneca County, OHOH54,522-1.0%−43%

27Tuscarawas County, OHOH92,373-1.0%−112%

28Carroll County, OHOH26,475-0.9%−111%

29Ashtabula County, OHOH96,713-0.9%−130%

30Ross County, OHOH76,429-0.9%−115%

31Preble County, OHOH40,664-0.8%−115%

32Darke County, OHOH51,520-0.7%+20%

33Huron County, OHOH58,250-0.5%−109%

34Gallia County, OHOH29,072-0.5%−236%

35Clark County, OHOH135,340-0.5%−74%

36Paulding County, OHOH18,727-0.4%−56%

37Sandusky County, OHOH58,655-0.4%+48%

38Summit County, OHOH538,376-0.4%−107%

39Marion County, OHOH65,115-0.4%−112%

40Shelby County, OHOH48,065-0.3%−105%

41Crawford County, OHOH41,896-0.3%−84%

42Stark County, OHOH373,771-0.3%−110%

43Henry County, OHOH27,598-0.2%−166%

44Putnam County, OHOH34,380-0.2%−108%

45Lake County, OHOH232,217-0.2%−103%

46Guernsey County, OHOH38,379-0.2%−103%

47Wayne County, OHOH116,758-0.1%−101%

48Pike County, OHOH27,061-0.1%−101%

49Richland County, OHOH124,893-0.0%−102%

50Defiance County, OHOH38,292+0.0%−96%

51Ashland County, OHOH52,523+0.1%−99%

52Hancock County, OHOH75,034+0.2%−98%

53Champaign County, OHOH38,820+0.3%−97%

54Van Wert County, OHOH29,013+0.3%−111%

55Geauga County, OHOH95,676+0.3%−98%

56Logan County, OHOH46,302+0.3%−96%

57Montgomery County, OHOH539,598+0.4%−117%

58Mercer County, OHOH42,737+0.5%−87%

59Jackson County, OHOH32,817+0.5%−94%

60Clinton County, OHOH42,301+0.7%−95%

61Muskingum County, OHOH87,014+0.7%−77%

62Hamilton County, OHOH838,418+0.9%−139%

63Portage County, OHOH163,404+1.0%−85%

64Noble County, OHOH14,276+1.1%−95%

65Highland County, OHOH43,823+1.2%−92%

66Athens County, OHOH63,197+1.2%−73%

67Medina County, OHOH185,025+1.4%−94%

68Adams County, OHOH27,865+1.4%−82%

69Perry County, OHOH35,918+1.4%−82%

70Wood County, OHOH134,176+1.5%−79%

71Coshocton County, OHOH37,188+1.6%−55%

72Brown County, OHOH44,397+1.7%−92%

73Holmes County, OHOH44,970+1.7%−91%

74Knox County, OHOH64,002+2.0%−86%

75Butler County, OHOH400,128+2.5%−82%

76Franklin County, OHOH1,361,536+2.9%−75%

77Lorain County, OHOH323,219+3.3%−34%

78Miami County, OHOH112,634+3.5%−42%

79Greene County, OHOH174,322+3.8%−54%

80Morrow County, OHOH36,305+3.9%−72%

81Licking County, OHOH185,564+3.9%−71%

82Clermont County, OHOH216,977+4.0%−78%

83Warren County, OHOH257,181+6.1%−84%

84Fairfield County, OHOH169,752+6.8%−63%

85Madison County, OHOH46,985+7.2%−15%

86Pickaway County, OHOH62,978+7.6%−18%

87Delaware County, OHOH242,032+13.0%−80%

88Union County, OHOH73,446+17.0%−39%

SHOWING 1–88 OF 88

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES