RANKING · 2020 CENSUS · 88 SHOWN OF 88

Most racially diverse, Ohio counties · 2020

Ohio counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2023 ACS). This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

Flip the list · Least racially diverse, US counties →

OhioAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Cuyahoga County, OHOH1,232,92573+23%

02Franklin County, OHOH1,361,53672+50%

03Hamilton County, OHOH838,41866+32%

04Lucas County, OHOH423,34763+35%

05Montgomery County, OHOH539,59861+34%

06Summit County, OHOH538,37652+53%

07Mahoning County, OHOH224,70652+28%

08Butler County, OHOH400,12850+158%

09Lorain County, OHOH323,21948+36%

10Allen County, OHOH100,88145+43%

11Delaware County, OHOH242,03241+235%

12Greene County, OHOH174,32240+76%

13Clark County, OHOH135,34039+59%

14Erie County, OHOH73,29639+52%

15Sandusky County, OHOH58,65537+62%

16Fairfield County, OHOH169,75237+259%

17Warren County, OHOH257,18136+198%

18Richland County, OHOH124,89335+40%

19Stark County, OHOH373,77134+69%

20Trumbull County, OHOH198,97232+52%

21Defiance County, OHOH38,29232+48%

22Union County, OHOH73,44631+214%

23Lake County, OHOH232,21731+179%

24Marion County, OHOH65,11531+78%

25Wood County, OHOH134,17631+125%

26Madison County, OHOH46,98530+69%

27Portage County, OHOH163,40429+155%

28Licking County, OHOH185,56428+238%

29Athens County, OHOH63,19728+116%

30Hancock County, OHOH75,03427+110%

31Ashtabula County, OHOH96,71326+93%

32Fulton County, OHOH41,85326+73%

33Henry County, OHOH27,59824+61%

34Ross County, OHOH76,42924+44%

35Huron County, OHOH58,25024+110%

36Seneca County, OHOH54,52224+82%

37Jefferson County, OHOH63,59724+52%

38Muskingum County, OHOH87,01422+90%

39Miami County, OHOH112,63421+150%

40Paulding County, OHOH18,72720+101%

41Pickaway County, OHOH62,97820+14%

42Noble County, OHOH14,27619+12%

43Putnam County, OHOH34,38019+67%

44Clermont County, OHOH216,97719+211%

45Ottawa County, OHOH39,48119+66%

46Williams County, OHOH36,54919+94%

47Morgan County, OHOH13,62618+92%

48Logan County, OHOH46,30218+161%

49Medina County, OHOH185,02518+194%

50Champaign County, OHOH38,82018+120%

51Tuscarawas County, OHOH92,37317+318%

52Fayette County, OHOH28,55217+89%

53Shelby County, OHOH48,06517+115%

54Belmont County, OHOH64,43417+64%

55Clinton County, OHOH42,30117+113%

56Wayne County, OHOH116,75816+125%

57Van Wert County, OHOH29,01316+162%

58Scioto County, OHOH71,36516+84%

59Columbiana County, OHOH99,37716+80%

60Gallia County, OHOH29,07216+74%

61Knox County, OHOH64,00214+242%

62Lawrence County, OHOH55,71014+98%

63Hardin County, OHOH30,07214+188%

64Guernsey County, OHOH38,37913+120%

65Geauga County, OHOH95,67613+128%

66Ashland County, OHOH52,52312+138%

67Auglaize County, OHOH45,90912+257%

68Mercer County, OHOH42,73712+207%

69Washington County, OHOH58,38912+149%

70Wyandot County, OHOH21,56712+123%

71Pike County, OHOH27,06112+184%

72Highland County, OHOH43,82311+91%

73Harrison County, OHOH14,07011+65%

74Crawford County, OHOH41,89610+149%

75Coshocton County, OHOH37,18810+99%

76Darke County, OHOH51,52010+165%

77Morrow County, OHOH36,30510+288%

78Hocking County, OHOH27,51210+167%

79Preble County, OHOH40,6649+267%

80Meigs County, OHOH21,5879+164%

81Jackson County, OHOH32,8179+168%

82Brown County, OHOH44,3979+150%

83Carroll County, OHOH26,4759+190%

84Adams County, OHOH27,8658+240%

85Perry County, OHOH35,9188+297%

86Vinton County, OHOH12,6458+230%

87Monroe County, OHOH12,9947+266%

88Holmes County, OHOH44,9706+104%

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