RANKING · 2024 ACS · 72 SHOWN OF 72

Largest Czech population, Wisconsin counties

Wisconsin counties ranked by the number of residents who are Czech ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 72 counties in Wisconsin that qualify, ranked against each other statewide.

Czech Americans: full group profile →

WisconsinAll 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

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Dane County, WIWI590,3756,079−14%

02Milwaukee County, WIWI924,2165,871−36%

03Waukesha County, WIWI417,2104,983−16%

04Brown County, WIWI275,8034,599−27%

05Manitowoc County, WIWI81,7103,874−49%

06Racine County, WIWI198,9192,760−31%

07La Crosse County, WIWI121,3392,464+3%

08Marathon County, WIWI139,4322,430+3%

09Kewaunee County, WIWI20,7581,597−38%

10Outagamie County, WIWI195,8941,597−33%

11St. Croix County, WIWI98,2761,452−2%

12Winnebago County, WIWI174,2181,427−30%

13Barron County, WIWI46,4841,399−18%

14Eau Claire County, WIWI109,0331,398−28%

15Chippewa County, WIWI67,6141,319−34%

16Kenosha County, WIWI168,4481,220−39%

17Rock County, WIWI166,4721,209−24%

18Langlade County, WIWI19,5341,151−18%

19Walworth County, WIWI106,1271,053−28%

20Washington County, WIWI139,238962−40%

21Grant County, WIWI52,446945−33%

22Ozaukee County, WIWI94,346897−27%

23Vernon County, WIWI31,443851−32%

24Wood County, WIWI74,060797−39%

25Sauk County, WIWI66,652792−29%

26Price County, WIWI13,988785−28%

27Calumet County, WIWI53,982695+22%

28Sheboygan County, WIWI118,047691−49%

29Monroe County, WIWI46,572691−18%

30Portage County, WIWI71,943676−34%

31Douglas County, WIWI43,990639+25%

32Marinette County, WIWI42,574635−29%

33Oconto County, WIWI40,195626−43%

34Jefferson County, WIWI86,505621−37%

35Fond du Lac County, WIWI104,669590−38%

36Pierce County, WIWI43,519579−44%

37Iowa County, WIWI23,951563−29%

38Dodge County, WIWI89,097560−40%

39Oneida County, WIWI38,131554−17%

40Shawano County, WIWI41,560552−33%

41Crawford County, WIWI15,910541−56%

42Polk County, WIWI45,803525−18%

43Richland County, WIWI17,036480−42%

44Columbia County, WIWI58,132477−44%

45Dunn County, WIWI46,223477−26%

46Door County, WIWI30,616435−42%

47Adams County, WIWI21,752406−31%

48Rusk County, WIWI14,146404−30%

49Waupaca County, WIWI51,461392−20%

50Juneau County, WIWI26,649386−60%

51Vilas County, WIWI23,761375−13%

52Clark County, WIWI35,052361−39%

53Washburn County, WIWI17,087357−17%

54Trempealeau County, WIWI31,171331−16%

55Ashland County, WIWI16,203289+13%

56Waushara County, WIWI25,223288−11%

57Taylor County, WIWI20,118270−38%

58Jackson County, WIWI20,999262−34%

59Green County, WIWI37,227255−31%

60Sawyer County, WIWI18,846246−30%

61Bayfield County, WIWI16,787239−44%

62Burnett County, WIWI17,223193−20%

63Lincoln County, WIWI28,403174−67%

64Forest County, WIWI9,574125−16%

65Buffalo County, WIWI13,318117+0%

66Marquette County, WIWI15,927103−31%

67Lafayette County, WIWI17,47880−37%

68Green Lake County, WIWI19,30569−45%

69Iron County, WIWI6,12758−45%

70Florence County, WIWI4,74849+188%

71Pepin County, WIWI7,51340−73%

72Menominee County, WIWI4,1994−83%

SHOWING 1–72 OF 72

Download CSV (full list, 72 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES