RANKING · 2025 ESTIMATES · 88 SHOWN OF 88

Most population lost, Ohio counties

Ohio counties that lost the most residents from the 2020 census to 2025, by raw count of people rather than percentage. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide. The median across all 88 is -71. Biggest climber in the top 100 since 2020: Tuscarawas County, OH, up 51 places to #15.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Cuyahoga County, OHOH1,232,925-31,892+76%

02Lucas County, OHOH423,347-7,932+9%

03Mahoning County, OHOH224,706-3,908−46%

04Trumbull County, OHOH198,972-3,005+11%

05▲1Scioto County, OHOH71,365-2,643+133%

06▲2Lawrence County, OHOH55,710-2,530−622%

07▼2Columbiana County, OHOH99,377-2,500−166%

08▲15Erie County, OHOH73,296-2,326−184%

09▲2Belmont County, OHOH64,434-2,063+143%

10▲17Summit County, OHOH538,376-2,052−107%

11▼4Jefferson County, OHOH63,597-1,652−74%

12▲4Washington County, OHOH58,389-1,382−239%

13▼4Allen County, OHOH100,881-1,325+3%

14▲28Stark County, OHOH373,771-1,082−110%

15▲51Tuscarawas County, OHOH92,373-890−113%

16▲21Ottawa County, OHOH39,481-883−192%

17▼7Ashtabula County, OHOH96,713-861−130%

18▲38Fulton County, OHOH41,853-860−124%

19▲20Ross County, OHOH76,429-664−117%

20▼8Clark County, OHOH135,340-661−76%

21▲5Hardin County, OHOH30,072-624−175%

22Meigs County, OHOH21,587-623−833%

23▲26Williams County, OHOH36,549-553−125%

24▼5Seneca County, OHOH54,522-547−48%

25▲3Hocking County, OHOH27,512-538−120%

26▲39Auglaize County, OHOH45,909-513−125%

27▼2Harrison County, OHOH14,070-413+80%

28▲25Fayette County, OHOH28,552-399−141%

29▲1Monroe County, OHOH12,994-391+23%

30▲43Lake County, OHOH232,217-386−103%

31▲4Darke County, OHOH51,520-361+16%

32▼3Preble County, OHOH40,664-335−115%

33▲10Wyandot County, OHOH21,567-333−151%

34▲4Huron County, OHOH58,250-315−110%

35▼21Carroll County, OHOH26,475-246−111%

36▼2Marion County, OHOH65,115-244−113%

37▼22Sandusky County, OHOH58,655-241+41%

38▼7Morgan County, OHOH13,626-176−125%

39▼7Shelby County, OHOH48,065-165−106%

40▲6Vinton County, OHOH12,645-155−109%

41▼23Gallia County, OHOH29,072-148−229%

42▲30Wayne County, OHOH116,758-136−101%

43▼26Crawford County, OHOH41,896-129−86%

44▼4Paulding County, OHOH18,727-79−59%

45▲9Putnam County, OHOH34,380-71−108%

46▲2Henry County, OHOH27,598-64−163%

47▼27Guernsey County, OHOH38,379-59−103%

48▲16Richland County, OHOH124,893-43−102%

49▼28Pike County, OHOH27,061-27−101%

50▼9Defiance County, OHOH38,292+6−96%

51▼7Ashland County, OHOH52,523+76−98%

52▲7Van Wert County, OHOH29,013+82−110%

53▼29Champaign County, OHOH38,820+106−96%

54▲4Hancock County, OHOH75,034+114−98%

55▲5Logan County, OHOH46,302+152−96%

56▼6Noble County, OHOH14,276+161−94%

57▼10Jackson County, OHOH32,817+164−93%

58▲9Mercer County, OHOH42,737+209−86%

59▲11Geauga County, OHOH95,676+279−97%

60▼5Clinton County, OHOH42,301+283−94%

61▼25Adams County, OHOH27,865+388−80%

62▼10Highland County, OHOH43,823+506−90%

63▼18Perry County, OHOH35,918+510−80%

64▼13Coshocton County, OHOH37,188+576−53%

65▼4Muskingum County, OHOH87,014+604−76%

66▼33Brown County, OHOH44,397+721−90%

67▲2Holmes County, OHOH44,970+747−88%

68▼55Athens County, OHOH63,197+766−71%

69▼1Knox County, OHOH64,002+1,281−82%

70▼13Morrow County, OHOH36,305+1,355−65%

71▼9Portage County, OHOH163,404+1,613−83%

72▲5Wood County, OHOH134,176+1,928−75%

73▼2Montgomery County, OHOH539,598+2,289−116%

74▲4Medina County, OHOH185,025+2,555−91%

75▼12Madison County, OHOH46,985+3,161+1%

76▼1Miami County, OHOH112,634+3,860−32%

77▼3Pickaway County, OHOH62,978+4,439−1%

78▼2Greene County, OHOH174,322+6,356−43%

79▲3Licking County, OHOH185,564+7,045−59%

80▲5Hamilton County, OHOH838,418+7,779−137%

81▼1Clermont County, OHOH216,977+8,376−70%

82▲2Butler County, OHOH400,128+9,771−76%

83▼2Lorain County, OHOH323,219+10,255−24%

84▼5Union County, OHOH73,446+10,662+19%

85▼2Fairfield County, OHOH169,752+10,831−44%

86Warren County, OHOH257,181+14,844−67%

87Delaware County, OHOH242,032+27,908−35%

88Franklin County, OHOH1,361,536+37,729−65%

SHOWING 1–88 OF 88

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES