RANKING · 2024 ACS · 88 SHOWN OF 88

Most segregated, Ohio counties

Ohio counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2024 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

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RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPSEGREGATION SCOREVS 2020

01Noble County, OHOH14,27667+2%

02Cuyahoga County, OHOH1,232,92554−3%

03Mahoning County, OHOH224,70653−4%

04Fairfield County, OHOH169,75250+6%

05Hamilton County, OHOH838,41847−8%

06Montgomery County, OHOH539,59844−8%

07Lucas County, OHOH423,34744−1%

08Summit County, OHOH538,37643−4%

09Trumbull County, OHOH198,97243−7%

10Erie County, OHOH73,29643+0%

11Richland County, OHOH124,89341−15%

12Jefferson County, OHOH63,59741−12%

13Licking County, OHOH185,56440+13%

14Lorain County, OHOH323,21940−9%

15Clark County, OHOH135,34040−11%

16Franklin County, OHOH1,361,53640−8%

17Stark County, OHOH373,77138−10%

18Marion County, OHOH65,11538−14%

19Vinton County, OHOH12,64536+62%

20Scioto County, OHOH71,36536−13%

21Ashtabula County, OHOH96,71336−9%

22Madison County, OHOH46,98535−26%

23Belmont County, OHOH64,43435−7%

24Columbiana County, OHOH99,37734−7%

25Hardin County, OHOH30,07233−10%

26Harrison County, OHOH14,07033−38%

27Butler County, OHOH400,12833+3%

28Ross County, OHOH76,42932−8%

29Allen County, OHOH100,88132−24%

30Putnam County, OHOH34,38032−37%

31Auglaize County, OHOH45,90931+4%

32Lake County, OHOH232,21731−21%

33Pickaway County, OHOH62,97831−32%

34Muskingum County, OHOH87,01431−25%

35Shelby County, OHOH48,06531+11%

36Warren County, OHOH257,18130−20%

37Wayne County, OHOH116,75830−6%

38Washington County, OHOH58,38930+15%

39Defiance County, OHOH38,29229+27%

40Logan County, OHOH46,30229−6%

41Highland County, OHOH43,82328+16%

42Tuscarawas County, OHOH92,37328−22%

43Mercer County, OHOH42,73728−20%

44Holmes County, OHOH44,97028−21%

45Portage County, OHOH163,40426−4%

46Lawrence County, OHOH55,71026−12%

47Seneca County, OHOH54,52226−10%

48Clinton County, OHOH42,30126−22%

49Athens County, OHOH63,19726−1%

50Paulding County, OHOH18,72726+18%

51Sandusky County, OHOH58,65525−10%

52Morgan County, OHOH13,62625+8%

53Delaware County, OHOH242,03225−3%

54Knox County, OHOH64,00224−24%

55Hocking County, OHOH27,51224+3%

56Guernsey County, OHOH38,37924+21%

57Coshocton County, OHOH37,18824−15%

58Henry County, OHOH27,59824+70%

59Medina County, OHOH185,02523−4%

60Clermont County, OHOH216,97723−7%

61Union County, OHOH73,44622−36%

62Hancock County, OHOH75,03422+22%

63Pike County, OHOH27,06122+5%

64Morrow County, OHOH36,30522−41%

65Ottawa County, OHOH39,48122−16%

66Crawford County, OHOH41,89621−35%

67Miami County, OHOH112,63421−14%

68Monroe County, OHOH12,99421−26%

69Darke County, OHOH51,52021−39%

70Adams County, OHOH27,86520−32%

71Huron County, OHOH58,25020−31%

72Greene County, OHOH174,32220−28%

73Geauga County, OHOH95,67619−27%

74Fayette County, OHOH28,55219+13%

75Carroll County, OHOH26,47519−7%

76Ashland County, OHOH52,52319−22%

77Wood County, OHOH134,17618−17%

78Wyandot County, OHOH21,56718−35%

79Fulton County, OHOH41,85318−28%

80Williams County, OHOH36,54917+6%

81Preble County, OHOH40,66417−43%

82Van Wert County, OHOH29,01317−52%

83Champaign County, OHOH38,82016−50%

84Brown County, OHOH44,39716−35%

85Perry County, OHOH35,91816−34%

86Gallia County, OHOH29,07215−11%

87Jackson County, OHOH32,81714−56%

88Meigs County, OHOH21,58711−62%

SHOWING 1–88 OF 88

Download CSV (full list, 88 rows)How this score is calculated

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES