RANKING · 2010 CENSUS · 72 SHOWN OF 72

Largest Czech population, Wisconsin counties · 2010

Wisconsin counties ranked by the number of residents who are Czech ancestry, from the 2023 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.

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 2000

01Milwaukee County, WIWI924,2169,164–

02Manitowoc County, WIWI81,7107,587–

03Dane County, WIWI590,3757,077–

04Brown County, WIWI275,8036,327–

05Waukesha County, WIWI417,2105,933–

06Racine County, WIWI198,9193,989–

07Kewaunee County, WIWI20,7582,581–

08La Crosse County, WIWI121,3392,385–

09Outagamie County, WIWI195,8942,374–

10Marathon County, WIWI139,4322,361–

11Winnebago County, WIWI174,2182,044–

12Chippewa County, WIWI67,6141,993–

13Kenosha County, WIWI168,4481,987–

14Eau Claire County, WIWI109,0331,935–

15Barron County, WIWI46,4841,706–

16Washington County, WIWI139,2381,605–

17Rock County, WIWI166,4721,589–

18St. Croix County, WIWI98,2761,475–

19Walworth County, WIWI106,1271,466–

20Grant County, WIWI52,4461,409–

21Langlade County, WIWI19,5341,405–

22Sheboygan County, WIWI118,0471,343–

23Wood County, WIWI74,0601,314–

24Vernon County, WIWI31,4431,249–

25Ozaukee County, WIWI94,3461,229–

26Crawford County, WIWI15,9101,224–

27Sauk County, WIWI66,6521,118–

28Oconto County, WIWI40,1951,089–

29Price County, WIWI13,9881,088–

30Pierce County, WIWI43,5191,043–

31Portage County, WIWI71,9431,024–

32Jefferson County, WIWI86,505990–

33Juneau County, WIWI26,649966–

34Fond du Lac County, WIWI104,669954–

35Dodge County, WIWI89,097931–

36Marinette County, WIWI42,574897–

37Columbia County, WIWI58,132849–

38Monroe County, WIWI46,572847–

39Shawano County, WIWI41,560829–

40Richland County, WIWI17,036821–

41Iowa County, WIWI23,951794–

42Door County, WIWI30,616752–

43Oneida County, WIWI38,131670–

44Dunn County, WIWI46,223647–

45Polk County, WIWI45,803637–

46Clark County, WIWI35,052592–

47Adams County, WIWI21,752588–

48Rusk County, WIWI14,146577–

49Calumet County, WIWI53,982568–

50Lincoln County, WIWI28,403524–

51Douglas County, WIWI43,990512–

52Waupaca County, WIWI51,461490–

53Taylor County, WIWI20,118432–

54Washburn County, WIWI17,087431–

55Vilas County, WIWI23,761430–

56Bayfield County, WIWI16,787425–

57Jackson County, WIWI20,999397–

58Trempealeau County, WIWI31,171394–

59Green County, WIWI37,227368–

60Sawyer County, WIWI18,846350–

61Waushara County, WIWI25,223324–

62Ashland County, WIWI16,203255–

63Burnett County, WIWI17,223241–

64Marquette County, WIWI15,927149–

65Forest County, WIWI9,574148–

66Pepin County, WIWI7,513147–

67Lafayette County, WIWI17,478127–

68Green Lake County, WIWI19,305125–

69Buffalo County, WIWI13,318117–

70Iron County, WIWI6,127106–

71Menominee County, WIWI4,19923–

72Florence County, WIWI4,74817–

SHOWING 1–72 OF 72

Download CSV (full list, 72 rows)

UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES