RANKING · 2020 CENSUS · 88 SHOWN OF 88

Highest Scotch-Irish population share, Ohio counties · 2020

Ohio counties ranked by the share of all residents who are Scotch-Irish ancestry (2023 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

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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 SHAREVS 2000

01Wyandot County, OHOH21,5672.5%–

02Carroll County, OHOH26,4752.2%–

03Harrison County, OHOH14,0701.9%–

04Columbiana County, OHOH99,3771.9%–

05Jefferson County, OHOH63,5971.7%–

06Guernsey County, OHOH38,3791.7%–

07Washington County, OHOH58,3891.7%–

08Athens County, OHOH63,1971.7%–

09Ashland County, OHOH52,5231.5%–

10Madison County, OHOH46,9851.5%–

11Belmont County, OHOH64,4341.5%–

12Tuscarawas County, OHOH92,3731.5%–

13Fairfield County, OHOH169,7521.4%–

14Lawrence County, OHOH55,7101.4%–

15Vinton County, OHOH12,6451.3%–

16Coshocton County, OHOH37,1881.3%–

17Greene County, OHOH174,3221.3%–

18Crawford County, OHOH41,8961.3%–

19Delaware County, OHOH242,0321.3%–

20Clark County, OHOH135,3401.3%–

21Scioto County, OHOH71,3651.2%–

22Meigs County, OHOH21,5871.2%–

23Ross County, OHOH76,4291.2%–

24Pickaway County, OHOH62,9781.2%–

25Clinton County, OHOH42,3011.2%–

26Licking County, OHOH185,5641.2%–

27Pike County, OHOH27,0611.2%–

28Noble County, OHOH14,2761.1%–

29Stark County, OHOH373,7711.1%–

30Preble County, OHOH40,6641.1%–

31Adams County, OHOH27,8651.1%–

32Clermont County, OHOH216,9771.1%–

33Highland County, OHOH43,8231.1%–

34Logan County, OHOH46,3021.1%–

35Morrow County, OHOH36,3051.1%–

36Marion County, OHOH65,1151.1%–

37Wayne County, OHOH116,7581.1%–

38Muskingum County, OHOH87,0141.1%–

39Union County, OHOH73,4461.0%–

40Hardin County, OHOH30,0721.0%–

41Erie County, OHOH73,2961.0%–

42Richland County, OHOH124,8931.0%–

43Portage County, OHOH163,4040.9%–

44Wood County, OHOH134,1760.9%–

45Montgomery County, OHOH539,5980.9%–

46Lake County, OHOH232,2170.9%–

47Summit County, OHOH538,3760.9%–

48Medina County, OHOH185,0250.9%–

49Franklin County, OHOH1,361,5360.9%–

50Warren County, OHOH257,1810.9%–

51Huron County, OHOH58,2500.9%–

52Fayette County, OHOH28,5520.9%–

53Ashtabula County, OHOH96,7130.9%–

54Mahoning County, OHOH224,7060.8%–

55Miami County, OHOH112,6340.8%–

56Trumbull County, OHOH198,9720.8%–

57Allen County, OHOH100,8810.8%–

58Knox County, OHOH64,0020.8%–

59Lorain County, OHOH323,2190.8%–

60Butler County, OHOH400,1280.8%–

61Shelby County, OHOH48,0650.8%–

62Morgan County, OHOH13,6260.7%–

63Cuyahoga County, OHOH1,232,9250.7%–

64Gallia County, OHOH29,0720.7%–

65Champaign County, OHOH38,8200.7%–

66Perry County, OHOH35,9180.7%–

67Hamilton County, OHOH838,4180.7%–

68Brown County, OHOH44,3970.7%–

69Geauga County, OHOH95,6760.7%–

70Hancock County, OHOH75,0340.7%–

71Monroe County, OHOH12,9940.7%–

72Williams County, OHOH36,5490.7%–

73Sandusky County, OHOH58,6550.6%–

74Lucas County, OHOH423,3470.6%–

75Ottawa County, OHOH39,4810.6%–

76Seneca County, OHOH54,5220.6%–

77Fulton County, OHOH41,8530.6%–

78Hocking County, OHOH27,5120.6%–

79Darke County, OHOH51,5200.6%–

80Defiance County, OHOH38,2920.6%–

81Henry County, OHOH27,5980.6%–

82Auglaize County, OHOH45,9090.6%–

83Jackson County, OHOH32,8170.5%–

84Paulding County, OHOH18,7270.5%–

85Putnam County, OHOH34,3800.4%–

86Van Wert County, OHOH29,0130.3%–

87Mercer County, OHOH42,7370.3%–

88Holmes County, OHOH44,9700.2%–

SHOWING 1–88 OF 88

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