RANKING · 2000 CENSUS · 88 SHOWN OF 88

Least racially diverse, Ohio counties · 2000

Ohio counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Monroe County, OHOH12,9942+0%

02Perry County, OHOH35,9182+0%

03Vinton County, OHOH12,6452+0%

04Adams County, OHOH27,8652+0%

05Morrow County, OHOH36,3052+0%

06Preble County, OHOH40,6643+0%

07Holmes County, OHOH44,9703+0%

08Carroll County, OHOH26,4753+0%

09Auglaize County, OHOH45,9093+0%

10Jackson County, OHOH32,8173+0%

11Meigs County, OHOH21,5873+0%

12Hocking County, OHOH27,5124+0%

13Brown County, OHOH44,3974+0%

14Darke County, OHOH51,5204+0%

15Mercer County, OHOH42,7374+0%

16Pike County, OHOH27,0614+0%

17Crawford County, OHOH41,8964+0%

18Tuscarawas County, OHOH92,3734+0%

19Knox County, OHOH64,0024+0%

20Washington County, OHOH58,3895+0%

21Hardin County, OHOH30,0725+0%

22Ashland County, OHOH52,5235+0%

23Coshocton County, OHOH37,1885+0%

24Wyandot County, OHOH21,5675+0%

25Geauga County, OHOH95,6766+0%

26Highland County, OHOH43,8236+0%

27Clermont County, OHOH216,9776+0%

28Medina County, OHOH185,0256+0%

29Guernsey County, OHOH38,3796+0%

30Van Wert County, OHOH29,0136+0%

31Harrison County, OHOH14,0707+0%

32Logan County, OHOH46,3027+0%

33Lawrence County, OHOH55,7107+0%

34Wayne County, OHOH116,7587+0%

35Clinton County, OHOH42,3018+0%

36Champaign County, OHOH38,8208+0%

37Shelby County, OHOH48,0658+0%

38Licking County, OHOH185,5648+0%

39Miami County, OHOH112,6349+0%

40Columbiana County, OHOH99,3779+0%

41Scioto County, OHOH71,3659+0%

42Gallia County, OHOH29,0729+0%

43Fayette County, OHOH28,5529+0%

44Williams County, OHOH36,54910+0%

45Morgan County, OHOH13,62610+0%

46Union County, OHOH73,44610+0%

47Paulding County, OHOH18,72710+0%

48Fairfield County, OHOH169,75210+0%

49Belmont County, OHOH64,43410+0%

50Lake County, OHOH232,21711+0%

51Ottawa County, OHOH39,48111+0%

52Putnam County, OHOH34,38011+0%

53Portage County, OHOH163,40411+0%

54Huron County, OHOH58,25012+0%

55Muskingum County, OHOH87,01412+0%

56Warren County, OHOH257,18112+0%

57Delaware County, OHOH242,03212+0%

58Athens County, OHOH63,19713+0%

59Hancock County, OHOH75,03413+0%

60Seneca County, OHOH54,52213+0%

61Wood County, OHOH134,17614+0%

62Ashtabula County, OHOH96,71314+0%

63Fulton County, OHOH41,85315+0%

64Henry County, OHOH27,59815+0%

65Jefferson County, OHOH63,59716+0%

66Noble County, OHOH14,27617+0%

67Ross County, OHOH76,42917+0%

68Pickaway County, OHOH62,97817+0%

69Marion County, OHOH65,11517+0%

70Madison County, OHOH46,98518+0%

71Butler County, OHOH400,12820+0%

72Stark County, OHOH373,77120+0%

73Trumbull County, OHOH198,97221+0%

74Defiance County, OHOH38,29222+0%

75Greene County, OHOH174,32223+0%

76Sandusky County, OHOH58,65523+0%

77Clark County, OHOH135,34024+0%

78Richland County, OHOH124,89325+0%

79Erie County, OHOH73,29625+0%

80Allen County, OHOH100,88131+0%

81Summit County, OHOH538,37634+0%

82Lorain County, OHOH323,21935+0%

83Mahoning County, OHOH224,70640+0%

84Montgomery County, OHOH539,59845+0%

85Lucas County, OHOH423,34747+0%

86Franklin County, OHOH1,361,53648+0%

87Hamilton County, OHOH838,41850+0%

88Cuyahoga County, OHOH1,232,92559+0%

SHOWING 1–88 OF 88

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

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES