RANKING · 2010 CENSUS · 88 SHOWN OF 88

Highest Welsh population share, Ohio counties · 2010

Ohio counties ranked by the share of all residents who are Welsh ancestry (2010 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide. The median across all 88 is 1.1%.

Welsh Americans: full group profile →

OhioAll states All rankings

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

RANKPLACESTATEPOPWELSH SHAREVS –

01Jackson County, OHOH32,8174.4%–

02Morrow County, OHOH36,3052.8%–

03Gallia County, OHOH29,0722.6%–

04Trumbull County, OHOH198,9722.4%–

05Delaware County, OHOH242,0322.3%–

06Union County, OHOH73,4462.2%–

07Mahoning County, OHOH224,7062.2%–

08Hardin County, OHOH30,0722.1%–

09Licking County, OHOH185,5642.0%–

10Portage County, OHOH163,4041.9%–

11Meigs County, OHOH21,5871.9%–

12Allen County, OHOH100,8811.9%–

13Columbiana County, OHOH99,3771.8%–

14Stark County, OHOH373,7711.7%–

15Athens County, OHOH63,1971.7%–

16Fairfield County, OHOH169,7521.7%–

17Guernsey County, OHOH38,3791.7%–

18Jefferson County, OHOH63,5971.6%–

19Hocking County, OHOH27,5121.6%–

20Franklin County, OHOH1,361,5361.6%–

21Belmont County, OHOH64,4341.5%–

22Marion County, OHOH65,1151.5%–

23Tuscarawas County, OHOH92,3731.5%–

24Van Wert County, OHOH29,0131.5%–

25Hancock County, OHOH75,0341.4%–

26Knox County, OHOH64,0021.3%–

27Pickaway County, OHOH62,9781.3%–

28Scioto County, OHOH71,3651.3%–

29Coshocton County, OHOH37,1881.3%–

30Summit County, OHOH538,3761.3%–

31Geauga County, OHOH95,6761.3%–

32Champaign County, OHOH38,8201.2%–

33Greene County, OHOH174,3221.2%–

34Miami County, OHOH112,6341.2%–

35Washington County, OHOH58,3891.2%–

36Adams County, OHOH27,8651.2%–

37Lake County, OHOH232,2171.2%–

38Medina County, OHOH185,0251.1%–

39Carroll County, OHOH26,4751.1%–

40Erie County, OHOH73,2961.1%–

41Ross County, OHOH76,4291.1%–

42Lorain County, OHOH323,2191.1%–

43Perry County, OHOH35,9181.1%–

44Madison County, OHOH46,9851.1%–

45Ashtabula County, OHOH96,7131.1%–

46Wood County, OHOH134,1761.1%–

47Richland County, OHOH124,8931.1%–

48Putnam County, OHOH34,3801.0%–

49Auglaize County, OHOH45,9091.0%–

50Henry County, OHOH27,5981.0%–

51Ottawa County, OHOH39,4811.0%–

52Muskingum County, OHOH87,0141.0%–

53Clark County, OHOH135,3401.0%–

54Morgan County, OHOH13,6261.0%–

55Wyandot County, OHOH21,5670.9%–

56Williams County, OHOH36,5490.9%–

57Wayne County, OHOH116,7580.9%–

58Montgomery County, OHOH539,5980.9%–

59Monroe County, OHOH12,9940.9%–

60Clinton County, OHOH42,3010.8%–

61Vinton County, OHOH12,6450.8%–

62Paulding County, OHOH18,7270.8%–

63Warren County, OHOH257,1810.8%–

64Butler County, OHOH400,1280.8%–

65Harrison County, OHOH14,0700.8%–

66Seneca County, OHOH54,5220.8%–

67Crawford County, OHOH41,8960.8%–

68Clermont County, OHOH216,9770.7%–

69Logan County, OHOH46,3020.7%–

70Hamilton County, OHOH838,4180.7%–

71Ashland County, OHOH52,5230.7%–

72Defiance County, OHOH38,2920.7%–

73Lawrence County, OHOH55,7100.7%–

74Fayette County, OHOH28,5520.7%–

75Mercer County, OHOH42,7370.7%–

76Cuyahoga County, OHOH1,232,9250.7%–

77Brown County, OHOH44,3970.6%–

78Preble County, OHOH40,6640.5%–

79Lucas County, OHOH423,3470.5%–

80Highland County, OHOH43,8230.5%–

81Darke County, OHOH51,5200.5%–

82Huron County, OHOH58,2500.5%–

83Fulton County, OHOH41,8530.5%–

84Shelby County, OHOH48,0650.5%–

85Sandusky County, OHOH58,6550.5%–

86Pike County, OHOH27,0610.4%–

87Holmes County, OHOH44,9700.3%–

88Noble County, OHOH14,2760.3%–

SHOWING 1–88 OF 88

Download CSV (full list, 88 rows)

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