RANKING · 2010 CENSUS · 88 SHOWN OF 88

Highest Scotch-Irish population share, Ohio counties · 2010

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

01Harrison County, OHOH14,0704.1%–

02Columbiana County, OHOH99,3773.3%–

03Belmont County, OHOH64,4343.1%–

04Guernsey County, OHOH38,3793.0%–

05Carroll County, OHOH26,4752.6%–

06Jefferson County, OHOH63,5972.6%–

07Athens County, OHOH63,1972.4%–

08Union County, OHOH73,4462.3%–

09Washington County, OHOH58,3892.2%–

10Knox County, OHOH64,0022.2%–

11Lake County, OHOH232,2172.2%–

12Clinton County, OHOH42,3012.1%–

13Preble County, OHOH40,6642.1%–

14Ross County, OHOH76,4292.1%–

15Delaware County, OHOH242,0322.1%–

16Portage County, OHOH163,4042.1%–

17Stark County, OHOH373,7712.1%–

18Richland County, OHOH124,8932.1%–

19Greene County, OHOH174,3222.1%–

20Clark County, OHOH135,3402.0%–

21Licking County, OHOH185,5642.0%–

22Tuscarawas County, OHOH92,3732.0%–

23Morgan County, OHOH13,6262.0%–

24Hancock County, OHOH75,0342.0%–

25Ashtabula County, OHOH96,7132.0%–

26Logan County, OHOH46,3022.0%–

27Marion County, OHOH65,1151.9%–

28Miami County, OHOH112,6341.9%–

29Adams County, OHOH27,8651.9%–

30Ashland County, OHOH52,5231.9%–

31Crawford County, OHOH41,8961.9%–

32Summit County, OHOH538,3761.9%–

33Meigs County, OHOH21,5871.9%–

34Morrow County, OHOH36,3051.8%–

35Lawrence County, OHOH55,7101.8%–

36Pike County, OHOH27,0611.8%–

37Franklin County, OHOH1,361,5361.8%–

38Fairfield County, OHOH169,7521.8%–

39Ottawa County, OHOH39,4811.8%–

40Wayne County, OHOH116,7581.8%–

41Medina County, OHOH185,0251.7%–

42Coshocton County, OHOH37,1881.7%–

43Muskingum County, OHOH87,0141.7%–

44Trumbull County, OHOH198,9721.7%–

45Geauga County, OHOH95,6761.7%–

46Champaign County, OHOH38,8201.7%–

47Lorain County, OHOH323,2191.7%–

48Hocking County, OHOH27,5121.6%–

49Jackson County, OHOH32,8171.6%–

50Montgomery County, OHOH539,5981.6%–

51Warren County, OHOH257,1811.6%–

52Clermont County, OHOH216,9771.6%–

53Butler County, OHOH400,1281.6%–

54Mahoning County, OHOH224,7061.5%–

55Hardin County, OHOH30,0721.5%–

56Noble County, OHOH14,2761.5%–

57Brown County, OHOH44,3971.5%–

58Perry County, OHOH35,9181.5%–

59Wood County, OHOH134,1761.5%–

60Madison County, OHOH46,9851.5%–

61Erie County, OHOH73,2961.4%–

62Allen County, OHOH100,8811.4%–

63Gallia County, OHOH29,0721.4%–

64Pickaway County, OHOH62,9781.4%–

65Hamilton County, OHOH838,4181.3%–

66Vinton County, OHOH12,6451.3%–

67Monroe County, OHOH12,9941.3%–

68Van Wert County, OHOH29,0131.3%–

69Fayette County, OHOH28,5521.3%–

70Scioto County, OHOH71,3651.3%–

71Fulton County, OHOH41,8531.2%–

72Defiance County, OHOH38,2921.2%–

73Darke County, OHOH51,5201.2%–

74Auglaize County, OHOH45,9091.2%–

75Cuyahoga County, OHOH1,232,9251.2%–

76Seneca County, OHOH54,5221.1%–

77Huron County, OHOH58,2501.0%–

78Lucas County, OHOH423,3471.0%–

79Shelby County, OHOH48,0651.0%–

80Williams County, OHOH36,5491.0%–

81Henry County, OHOH27,5980.9%–

82Highland County, OHOH43,8230.9%–

83Wyandot County, OHOH21,5670.9%–

84Sandusky County, OHOH58,6550.9%–

85Mercer County, OHOH42,7370.7%–

86Paulding County, OHOH18,7270.6%–

87Holmes County, OHOH44,9700.6%–

88Putnam County, OHOH34,3800.6%–

SHOWING 1–88 OF 88

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