RANKING · 2020 CENSUS · 88 SHOWN OF 88

Largest Scotch-Irish population, Ohio counties · 2020

Ohio counties ranked by the number of residents who are Scotch-Irish 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.

Scotch-Irish Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010

01Franklin County, OHOH1,361,53611,588−43%

02Cuyahoga County, OHOH1,232,9258,750−42%

03Hamilton County, OHOH838,4185,574−48%

04Montgomery County, OHOH539,5984,883−45%

05Summit County, OHOH538,3764,869−52%

06Stark County, OHOH373,7714,228−46%

07Butler County, OHOH400,1282,948−49%

08Lucas County, OHOH423,3472,659−39%

09Delaware County, OHOH242,0322,623−25%

10Lorain County, OHOH323,2192,400−52%

11Clermont County, OHOH216,9772,312−25%

12Fairfield County, OHOH169,7522,204−13%

13Greene County, OHOH174,3222,191−33%

14Licking County, OHOH185,5642,092−36%

15Lake County, OHOH232,2172,089−58%

16Warren County, OHOH257,1812,045−39%

17Columbiana County, OHOH99,3771,906−47%

18Mahoning County, OHOH224,7061,903−49%

19Clark County, OHOH135,3401,691−40%

20Trumbull County, OHOH198,9721,632−55%

21Medina County, OHOH185,0251,611−46%

22Portage County, OHOH163,4041,539−54%

23Tuscarawas County, OHOH92,3731,340−28%

24Wayne County, OHOH116,7581,232−39%

25Wood County, OHOH134,1761,224−34%

26Richland County, OHOH124,8931,150−56%

27Jefferson County, OHOH63,5971,148−37%

28Athens County, OHOH63,1971,104−29%

29Washington County, OHOH58,3891,017−25%

30Belmont County, OHOH64,434981−55%

31Ross County, OHOH76,429928−43%

32Scioto County, OHOH71,365926−6%

33Muskingum County, OHOH87,014911−38%

34Miami County, OHOH112,634870−56%

35Lawrence County, OHOH55,710840−26%

36Ashtabula County, OHOH96,713839−59%

37Allen County, OHOH100,881830−44%

38Ashland County, OHOH52,523819−19%

39Erie County, OHOH73,296734−32%

40Pickaway County, OHOH62,978701−8%

41Marion County, OHOH65,115696−46%

42Madison County, OHOH46,985668+7%

43Guernsey County, OHOH38,379665−44%

44Geauga County, OHOH95,676625−60%

45Union County, OHOH73,446604−49%

46Carroll County, OHOH26,475597−22%

47Wyandot County, OHOH21,567541+173%

48Crawford County, OHOH41,896532−36%

49Huron County, OHOH58,250508−18%

50Clinton County, OHOH42,301505−44%

51Hancock County, OHOH75,034502−66%

52Knox County, OHOH64,002497−62%

53Logan County, OHOH46,302495−46%

54Coshocton County, OHOH37,188492−23%

55Highland County, OHOH43,823472+18%

56Preble County, OHOH40,664462−49%

57Morrow County, OHOH36,305379−41%

58Sandusky County, OHOH58,655378−29%

59Shelby County, OHOH48,065369−22%

60Seneca County, OHOH54,522335−45%

61Pike County, OHOH27,061331−36%

62Hardin County, OHOH30,072325−33%

63Adams County, OHOH27,865312−43%

64Darke County, OHOH51,520299−53%

65Harrison County, OHOH14,070294−54%

66Brown County, OHOH44,397293−56%

67Meigs County, OHOH21,587278−37%

68Champaign County, OHOH38,820271−60%

69Auglaize County, OHOH45,909254−53%

70Perry County, OHOH35,918251−53%

71Fayette County, OHOH28,552249−32%

72Fulton County, OHOH41,853249−53%

73Ottawa County, OHOH39,481246−66%

74Williams County, OHOH36,549241−34%

75Defiance County, OHOH38,292218−53%

76Gallia County, OHOH29,072211−51%

77Vinton County, OHOH12,645176−2%

78Hocking County, OHOH27,512167−65%

79Noble County, OHOH14,276165−25%

80Jackson County, OHOH32,817162−70%

81Henry County, OHOH27,598153−43%

82Putnam County, OHOH34,380131−37%

83Mercer County, OHOH42,737126−55%

84Morgan County, OHOH13,626105−65%

85Holmes County, OHOH44,97099−63%

86Van Wert County, OHOH29,01393−76%

87Monroe County, OHOH12,99491−53%

88Paulding County, OHOH18,72791−28%

SHOWING 1–88 OF 88

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS