RANKING · 2020 CENSUS · 71 SHOWN OF 71

Highest Welsh population share, Wisconsin counties · 2020

Wisconsin counties ranked by the share of all residents who are Welsh ancestry (2020 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 71 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 71 is 0.5%.

Welsh Americans: full group profile →

WisconsinAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2010

01Green Lake County, WIWI19,3051.5%+0.6 pts

02Florence County, WIWI4,7481.3%+1.0 pts

03Iowa County, WIWI23,9511.1%−0.1 pts

04Jackson County, WIWI20,9991.0%+0.8 pts

05Washburn County, WIWI17,0870.9%+0.5 pts

06Marquette County, WIWI15,9270.9%+0.1 pts

07Waushara County, WIWI25,2230.8%−0.1 pts

08Dane County, WIWI590,3750.8%−0.1 pts

09Columbia County, WIWI58,1320.8%−0.2 pts

10Bayfield County, WIWI16,7870.8%+0.2 pts

11Sauk County, WIWI66,6520.8%+0.2 pts

12Ozaukee County, WIWI94,3460.8%+0.3 pts

13Waukesha County, WIWI417,2100.8%0.0 pts

14Walworth County, WIWI106,1270.7%+0.3 pts

15Door County, WIWI30,6160.7%−0.2 pts

16Vilas County, WIWI23,7610.6%−0.2 pts

17Green County, WIWI37,2270.6%0.0 pts

18Barron County, WIWI46,4840.6%+0.2 pts

19Rock County, WIWI166,4720.6%0.0 pts

20Racine County, WIWI198,9190.6%+0.1 pts

21Grant County, WIWI52,4460.6%+0.3 pts

22Rusk County, WIWI14,1460.6%+0.2 pts

23Price County, WIWI13,9880.6%+0.1 pts

24Juneau County, WIWI26,6490.5%+0.1 pts

25Winnebago County, WIWI174,2180.5%−0.3 pts

26Washington County, WIWI139,2380.5%+0.2 pts

27Trempealeau County, WIWI31,1710.5%+0.4 pts

28Oneida County, WIWI38,1310.5%0.0 pts

29Fond du Lac County, WIWI104,6690.5%+0.1 pts

30Portage County, WIWI71,9430.5%+0.2 pts

31Jefferson County, WIWI86,5050.5%−0.1 pts

32Lafayette County, WIWI17,4780.5%−0.2 pts

33Eau Claire County, WIWI109,0330.5%0.0 pts

34Wood County, WIWI74,0600.5%0.0 pts

35Adams County, WIWI21,7520.5%−0.2 pts

36Dodge County, WIWI89,0970.5%−0.1 pts

37Buffalo County, WIWI13,3180.5%+0.3 pts

38Richland County, WIWI17,0360.4%−0.4 pts

39St. Croix County, WIWI98,2760.4%0.0 pts

40Forest County, WIWI9,5740.4%+0.3 pts

41La Crosse County, WIWI121,3390.4%−0.3 pts

42Outagamie County, WIWI195,8940.4%0.0 pts

43Iron County, WIWI6,1270.4%−0.1 pts

44Kenosha County, WIWI168,4480.4%−0.1 pts

45Marathon County, WIWI139,4320.4%0.0 pts

46Monroe County, WIWI46,5720.4%−0.1 pts

47Marinette County, WIWI42,5740.3%+0.1 pts

48Douglas County, WIWI43,9900.3%−0.3 pts

49Brown County, WIWI275,8030.3%0.0 pts

50Sheboygan County, WIWI118,0470.3%−0.1 pts

51Oconto County, WIWI40,1950.3%+0.1 pts

52Chippewa County, WIWI67,6140.3%−0.1 pts

53Pierce County, WIWI43,5190.3%−0.3 pts

54Kewaunee County, WIWI20,7580.3%+0.1 pts

55Dunn County, WIWI46,2230.3%+0.1 pts

56Crawford County, WIWI15,9100.3%−0.5 pts

57Pepin County, WIWI7,5130.3%+0.2 pts

58Sawyer County, WIWI18,8460.3%+0.1 pts

59Milwaukee County, WIWI924,2160.3%−0.1 pts

60Vernon County, WIWI31,4430.3%−0.1 pts

61Burnett County, WIWI17,2230.2%0.0 pts

62Clark County, WIWI35,0520.2%0.0 pts

63Langlade County, WIWI19,5340.2%0.0 pts

64Polk County, WIWI45,8030.2%−0.1 pts

65Waupaca County, WIWI51,4610.2%−0.3 pts

66Manitowoc County, WIWI81,7100.2%−0.1 pts

67Lincoln County, WIWI28,4030.2%−0.2 pts

68Shawano County, WIWI41,5600.1%−0.1 pts

69Calumet County, WIWI53,9820.1%−0.2 pts

70Ashland County, WIWI16,2030.1%−0.4 pts

71Taylor County, WIWI20,1180.1%−0.2 pts

SHOWING 1–71 OF 71

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