RANKING · 2020 CENSUS · 88 SHOWN OF 88

Largest American population, Ohio counties · 2020

Ohio counties ranked by the number of residents who are American ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide. The median across all 88 is 5,182.

American ancestry: full group profile →

OhioAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

01Franklin County, OHOH1,361,53658,099+1%

02Trumbull County, OHOH198,97247,335+35%

03Hamilton County, OHOH838,41841,510−21%

04Cuyahoga County, OHOH1,232,92535,7000%

05Montgomery County, OHOH539,59831,827−39%

06Summit County, OHOH538,37630,210+23%

07Lorain County, OHOH323,21927,278+47%

08Butler County, OHOH400,12824,512−55%

09Clermont County, OHOH216,97719,276−18%

10Stark County, OHOH373,77118,751−35%

11Lucas County, OHOH423,34718,399+8%

12Mahoning County, OHOH224,70615,096+47%

13Warren County, OHOH257,18114,136−41%

14Ashtabula County, OHOH96,71313,020+28%

15Fairfield County, OHOH169,75212,866+4%

16Licking County, OHOH185,56412,850−27%

17Greene County, OHOH174,32212,464−51%

18Delaware County, OHOH242,03210,915+16%

19Clark County, OHOH135,34010,599−45%

20Richland County, OHOH124,89310,0180%

21Hancock County, OHOH75,0349,712+98%

22Miami County, OHOH112,6349,418−6%

23Columbiana County, OHOH99,3779,405+14%

24Medina County, OHOH185,0259,333−26%

25Ross County, OHOH76,4298,986−7%

26Portage County, OHOH163,4048,894−3%

27Lake County, OHOH232,2178,764−3%

28Wayne County, OHOH116,7588,692−43%

29Muskingum County, OHOH87,0148,576−10%

30Brown County, OHOH44,3976,909+24%

31Union County, OHOH73,4466,8690%

32Scioto County, OHOH71,3656,860−28%

33Allen County, OHOH100,8816,777−35%

34Marion County, OHOH65,1156,606−33%

35Wood County, OHOH134,1766,380−3%

36Madison County, OHOH46,9856,364+2%

37Tuscarawas County, OHOH92,3736,223−13%

38Lawrence County, OHOH55,7106,139−46%

39Pickaway County, OHOH62,9785,865−35%

40Huron County, OHOH58,2505,749+8%

41Preble County, OHOH40,6645,641+5%

42Darke County, OHOH51,5205,460−10%

43Holmes County, OHOH44,9705,232+15%

44Knox County, OHOH64,0025,182−6%

45Highland County, OHOH43,8235,152−18%

46Adams County, OHOH27,8655,148+9%

47Washington County, OHOH58,3895,040−24%

48Erie County, OHOH73,2964,359+22%

49Belmont County, OHOH64,4344,029−8%

50Mercer County, OHOH42,7373,904+8%

51Geauga County, OHOH95,6763,872+15%

52Champaign County, OHOH38,8203,799−34%

53Logan County, OHOH46,3023,788−28%

54Hardin County, OHOH30,0723,547−16%

55Crawford County, OHOH41,8963,505−42%

56Seneca County, OHOH54,5223,502−31%

57Clinton County, OHOH42,3013,488−32%

58Athens County, OHOH63,1973,487−64%

59Ashland County, OHOH52,5233,395−61%

60Coshocton County, OHOH37,1883,390−11%

61Shelby County, OHOH48,0653,353−26%

62Morrow County, OHOH36,3053,325−41%

63Sandusky County, OHOH58,6553,319−23%

64Hocking County, OHOH27,5123,263−26%

65Guernsey County, OHOH38,3793,203−17%

66Putnam County, OHOH34,3803,099+23%

67Defiance County, OHOH38,2923,015+1%

68Fayette County, OHOH28,5522,951−34%

69Gallia County, OHOH29,0722,745−52%

70Auglaize County, OHOH45,9092,737−33%

71Henry County, OHOH27,5982,732+38%

72Pike County, OHOH27,0612,488−31%

73Perry County, OHOH35,9182,479−28%

74Jackson County, OHOH32,8172,426−41%

75Williams County, OHOH36,5492,373−21%

76Fulton County, OHOH41,8532,308−14%

77Ottawa County, OHOH39,4812,151−18%

78Jefferson County, OHOH63,5972,120−35%

79Carroll County, OHOH26,4751,997−39%

80Meigs County, OHOH21,5871,958−41%

81Van Wert County, OHOH29,0131,936−39%

82Wyandot County, OHOH21,5671,781−33%

83Morgan County, OHOH13,6261,577+7%

84Paulding County, OHOH18,7271,390−32%

85Monroe County, OHOH12,9941,206−15%

86Noble County, OHOH14,2761,161−12%

87Vinton County, OHOH12,6451,160−47%

88Harrison County, OHOH14,070662−53%

SHOWING 1–88 OF 88

Download CSV (full list, 88 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS