RANKING · 2010 CENSUS · 88 SHOWN OF 88

Most racially diverse, Ohio counties · 2010

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, OHOH1,232,92566+12%

02Franklin County, OHOH1,361,53662+29%

03Hamilton County, OHOH838,41859+18%

04Lucas County, OHOH423,34756+20%

05Montgomery County, OHOH539,59853+17%

06Mahoning County, OHOH224,70646+14%

07Summit County, OHOH538,37643+26%

08Lorain County, OHOH323,21942+20%

09Allen County, OHOH100,88138+20%

10Butler County, OHOH400,12835+78%

11Erie County, OHOH73,29634+32%

12Greene County, OHOH174,32233+48%

13Clark County, OHOH135,34032+32%

14Sandusky County, OHOH58,65531+33%

15Richland County, OHOH124,89330+22%

16Stark County, OHOH373,77128+37%

17Defiance County, OHOH38,29228+29%

18Delaware County, OHOH242,03227+118%

19Trumbull County, OHOH198,97227+26%

20Marion County, OHOH65,11526+50%

21Warren County, OHOH257,18125+109%

22Ross County, OHOH76,42925+48%

23Fairfield County, OHOH169,75225+141%

24Madison County, OHOH46,98523+30%

25Wood County, OHOH134,17623+67%

26Fulton County, OHOH41,85323+49%

27Ashtabula County, OHOH96,71322+60%

28Hancock County, OHOH75,03421+65%

29Jefferson County, OHOH63,59721+34%

30Lake County, OHOH232,21721+87%

31Athens County, OHOH63,19721+59%

32Seneca County, OHOH54,52220+54%

33Portage County, OHOH163,40420+75%

34Huron County, OHOH58,25020+74%

35Henry County, OHOH27,59819+27%

36Union County, OHOH73,44619+89%

37Muskingum County, OHOH87,01418+54%

38Licking County, OHOH185,56418+112%

39Paulding County, OHOH18,72716+63%

40Putnam County, OHOH34,38016+42%

41Belmont County, OHOH64,43416+51%

42Williams County, OHOH36,54915+61%

43Pickaway County, OHOH62,97815−12%

44Clinton County, OHOH42,30115+87%

45Morgan County, OHOH13,62615+54%

46Scioto County, OHOH71,36515+66%

47Miami County, OHOH112,63414+67%

48Ottawa County, OHOH39,48114+26%

49Shelby County, OHOH48,06514+75%

50Fayette County, OHOH28,55214+53%

51Champaign County, OHOH38,82014+73%

52Morrow County, OHOH36,30514+458%

53Gallia County, OHOH29,07213+50%

54Logan County, OHOH46,30213+90%

55Columbiana County, OHOH99,37712+43%

56Wayne County, OHOH116,75812+69%

57Van Wert County, OHOH29,01312+95%

58Clermont County, OHOH216,97712+100%

59Medina County, OHOH185,02512+97%

60Guernsey County, OHOH38,37912+90%

61Highland County, OHOH43,82311+96%

62Lawrence County, OHOH55,71011+53%

63Hardin County, OHOH30,07210+112%

64Geauga County, OHOH95,67610+76%

65Noble County, OHOH14,27610−43%

66Washington County, OHOH58,38910+106%

67Tuscarawas County, OHOH92,3739+125%

68Knox County, OHOH64,0029+121%

69Harrison County, OHOH14,0709+38%

70Wyandot County, OHOH21,5679+73%

71Pike County, OHOH27,0619+117%

72Crawford County, OHOH41,8969+111%

73Coshocton County, OHOH37,1888+68%

74Jackson County, OHOH32,8178+138%

75Ashland County, OHOH52,5238+60%

76Adams County, OHOH27,8657+215%

77Mercer County, OHOH42,7377+94%

78Hocking County, OHOH27,5127+104%

79Darke County, OHOH51,5207+95%

80Vinton County, OHOH12,6457+215%

81Brown County, OHOH44,3977+96%

82Auglaize County, OHOH45,9097+115%

83Meigs County, OHOH21,5876+83%

84Preble County, OHOH40,6646+148%

85Carroll County, OHOH26,4756+108%

86Monroe County, OHOH12,9946+218%

87Perry County, OHOH35,9185+181%

88Holmes County, OHOH44,9705+65%

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