RANKING · 2010 CENSUS · 88 SHOWN OF 88

Largest Welsh population, Ohio counties · 2010

Ohio counties ranked by the number of residents who are Welsh ancestry, from the 2010 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 797.

Welsh 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

RANKPLACESTATEPOPWELSH POPULATIONVS –

01Franklin County, OHOH1,361,53618,461–

02Cuyahoga County, OHOH1,232,9258,613–

03Summit County, OHOH538,3767,018–

04Stark County, OHOH373,7716,556–

05Hamilton County, OHOH838,4185,952–

06Mahoning County, OHOH224,7065,295–

07Trumbull County, OHOH198,9725,069–

08Montgomery County, OHOH539,5984,789–

09Delaware County, OHOH242,0323,864–

10Licking County, OHOH185,5643,351–

11Lorain County, OHOH323,2193,341–

12Portage County, OHOH163,4043,117–

13Butler County, OHOH400,1282,921–

14Lake County, OHOH232,2172,661–

15Fairfield County, OHOH169,7522,475–

16Lucas County, OHOH423,3472,337–

17Allen County, OHOH100,8811,982–

18Columbiana County, OHOH99,3771,979–

19Greene County, OHOH174,3221,975–

20Medina County, OHOH185,0251,943–

21Warren County, OHOH257,1811,691–

22Clermont County, OHOH216,9771,461–

23Jackson County, OHOH32,8171,456–

24Clark County, OHOH135,3401,414–

25Tuscarawas County, OHOH92,3731,387–

26Wood County, OHOH134,1761,348–

27Richland County, OHOH124,8931,327–

28Miami County, OHOH112,6341,252–

29Geauga County, OHOH95,6761,175–

30Jefferson County, OHOH63,5971,147–

31Union County, OHOH73,4461,126–

32Athens County, OHOH63,1971,110–

33Ashtabula County, OHOH96,7131,102–

34Belmont County, OHOH64,4341,075–

35Hancock County, OHOH75,0341,046–

36Scioto County, OHOH71,3651,043–

37Wayne County, OHOH116,7581,043–

38Marion County, OHOH65,1151,009–

39Morrow County, OHOH36,305971–

40Muskingum County, OHOH87,014884–

41Erie County, OHOH73,296873–

42Ross County, OHOH76,429868–

43Gallia County, OHOH29,072815–

44Knox County, OHOH64,002797–

45Washington County, OHOH58,389755–

46Pickaway County, OHOH62,978728–

47Guernsey County, OHOH38,379680–

48Hardin County, OHOH30,072668–

49Champaign County, OHOH38,820496–

50Coshocton County, OHOH37,188488–

51Auglaize County, OHOH45,909478–

52Hocking County, OHOH27,512477–

53Madison County, OHOH46,985468–

54Lawrence County, OHOH55,710449–

55Meigs County, OHOH21,587449–

56Seneca County, OHOH54,522436–

57Ottawa County, OHOH39,481429–

58Van Wert County, OHOH29,013422–

59Perry County, OHOH35,918399–

60Ashland County, OHOH52,523391–

61Putnam County, OHOH34,380363–

62Clinton County, OHOH42,301359–

63Williams County, OHOH36,549348–

64Logan County, OHOH46,302343–

65Adams County, OHOH27,865341–

66Crawford County, OHOH41,896336–

67Carroll County, OHOH26,475331–

68Henry County, OHOH27,598296–

69Huron County, OHOH58,250294–

70Brown County, OHOH44,397285–

71Defiance County, OHOH38,292281–

72Mercer County, OHOH42,737279–

73Sandusky County, OHOH58,655278–

74Darke County, OHOH51,520261–

75Shelby County, OHOH48,065230–

76Preble County, OHOH40,664225–

77Highland County, OHOH43,823218–

78Wyandot County, OHOH21,567213–

79Fulton County, OHOH41,853209–

80Fayette County, OHOH28,552207–

81Paulding County, OHOH18,727163–

82Morgan County, OHOH13,626144–

83Holmes County, OHOH44,970130–

84Pike County, OHOH27,061128–

85Monroe County, OHOH12,994126–

86Harrison County, OHOH14,070123–

87Vinton County, OHOH12,645112–

88Noble County, OHOH14,27643–

SHOWING 1–88 OF 88

Download CSV (full list, 88 rows)

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