RANKING · 2020 CENSUS · 72 SHOWN OF 72

Highest Czech population share, Wisconsin counties · 2020

Wisconsin counties ranked by the share of all residents who are Czech ancestry (2020 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide. The median across all 72 is 1.5%.

Czech Americans: full group profile →

WisconsinAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH SHAREVS 2010

01Kewaunee County, WIWI20,75810.2%−2.3 pts

02Langlade County, WIWI19,5347.2%+0.3 pts

03Manitowoc County, WIWI81,7106.4%−2.9 pts

04Price County, WIWI13,9885.0%−2.5 pts

05Crawford County, WIWI15,9104.7%−2.6 pts

06Richland County, WIWI17,0363.1%−1.4 pts

07Rusk County, WIWI14,1462.9%−1.0 pts

08Vernon County, WIWI31,4432.9%−1.4 pts

09Iowa County, WIWI23,9512.8%−0.6 pts

10Barron County, WIWI46,4842.7%−1.0 pts

11Pierce County, WIWI43,5192.5%0.0 pts

12Ashland County, WIWI16,2032.5%+0.9 pts

13Sawyer County, WIWI18,8462.5%+0.4 pts

14La Crosse County, WIWI121,3392.5%+0.3 pts

15Marathon County, WIWI139,4322.3%+0.5 pts

16Chippewa County, WIWI67,6142.3%−1.0 pts

17Grant County, WIWI52,4462.2%−0.5 pts

18Oconto County, WIWI40,1952.2%−0.7 pts

19Taylor County, WIWI20,1182.1%0.0 pts

20Brown County, WIWI275,8032.1%−0.5 pts

21Adams County, WIWI21,7522.0%−0.7 pts

22Juneau County, WIWI26,6492.0%−1.6 pts

23Bayfield County, WIWI16,7872.0%−0.8 pts

24Forest County, WIWI9,5742.0%+0.4 pts

25Oneida County, WIWI38,1312.0%+0.1 pts

26Door County, WIWI30,6162.0%−0.7 pts

27Racine County, WIWI198,9191.9%−0.2 pts

28Jackson County, WIWI20,9991.8%−0.2 pts

29Vilas County, WIWI23,7611.8%−0.2 pts

30Washburn County, WIWI17,0871.8%−0.9 pts

31St. Croix County, WIWI98,2761.7%0.0 pts

32Wood County, WIWI74,0601.7%0.0 pts

33Shawano County, WIWI41,5601.7%−0.3 pts

34Florence County, WIWI4,7481.6%+1.3 pts

35Marinette County, WIWI42,5741.6%−0.6 pts

36Portage County, WIWI71,9431.5%+0.1 pts

37Iron County, WIWI6,1271.5%−0.3 pts

38Burnett County, WIWI17,2231.4%−0.1 pts

39Polk County, WIWI45,8031.4%0.0 pts

40Walworth County, WIWI106,1271.3%−0.1 pts

41Dane County, WIWI590,3751.3%−0.2 pts

42Calumet County, WIWI53,9821.3%+0.1 pts

43Dunn County, WIWI46,2231.3%−0.2 pts

44Sauk County, WIWI66,6521.3%−0.6 pts

45Waushara County, WIWI25,2231.3%0.0 pts

46Monroe County, WIWI46,5721.2%−0.7 pts

47Trempealeau County, WIWI31,1711.2%−0.2 pts

48Waukesha County, WIWI417,2101.2%−0.4 pts

49Columbia County, WIWI58,1321.1%−0.4 pts

50Ozaukee County, WIWI94,3461.1%−0.3 pts

51Outagamie County, WIWI195,8941.1%−0.3 pts

52Clark County, WIWI35,0521.1%−0.6 pts

53Eau Claire County, WIWI109,0331.1%−0.9 pts

54Winnebago County, WIWI174,2181.1%−0.2 pts

55Douglas County, WIWI43,9901.1%−0.1 pts

56Washington County, WIWI139,2381.1%−0.2 pts

57Marquette County, WIWI15,9271.0%0.0 pts

58Rock County, WIWI166,4720.9%−0.1 pts

59Lafayette County, WIWI17,4780.9%+0.1 pts

60Fond du Lac County, WIWI104,6690.9%−0.1 pts

61Lincoln County, WIWI28,4030.9%−0.9 pts

62Waupaca County, WIWI51,4610.8%−0.1 pts

63Kenosha County, WIWI168,4480.8%−0.4 pts

64Milwaukee County, WIWI924,2160.7%−0.2 pts

65Buffalo County, WIWI13,3180.7%−0.1 pts

66Sheboygan County, WIWI118,0470.7%−0.5 pts

67Pepin County, WIWI7,5130.7%−1.3 pts

68Jefferson County, WIWI86,5050.7%−0.5 pts

69Green Lake County, WIWI19,3050.6%0.0 pts

70Dodge County, WIWI89,0970.6%−0.5 pts

71Green County, WIWI37,2270.6%−0.5 pts

72Menominee County, WIWI4,1990.2%−0.3 pts

SHOWING 1–72 OF 72

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