Ranking of Wisconsin Counties By Percentage of Population with Czech Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 81.44K people in Wisconsin with Czech ancestry (1.39% of Wisconsin population). Among all Wisconsin counties, Kewaunee County had the highest percentage of its population with Czech ancestry (9.42%), followed by Langlade County (6.64%), and Manitowoc County (6.35%).
The chart and table below shows the top 10 counties with high percentage of its population having Czech ancestry.
You can see similar information for other states and for other ancestry groups in Wisconsin.
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Related Topics: Wisconsin ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Wisconsin Counties By Percentage of Population with Czech Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Kewaunee County | 9.42 |
| 2 | Langlade County | 6.64 |
| 3 | Manitowoc County | 6.35 |
| 4 | Price County | 5.19 |
| 5 | Crawford County | 4.11 |
| 6 | Barron County | 2.98 |
| 7 | Richland County | 2.80 |
| 8 | Vernon County | 2.70 |
| 9 | Rusk County | 2.61 |
| 10 | Pierce County | 2.57 |
| 11 | Iowa County | 2.49 |
| 12 | Ashland County | 2.36 |
| 13 | Sawyer County | 2.34 |
| 14 | Florence County | 2.29 |
| 15 | Marathon County | 2.19 |
| 16 | Chippewa County | 2.11 |
| 17 | La Crosse County | 2.10 |
| 18 | Taylor County | 2.09 |
| 19 | Adams County | 2.00 |
| 19 | Brown County | 2.00 |
| 20 | Grant County | 1.97 |
| 21 | Oneida County | 1.95 |
| 22 | Juneau County | 1.91 |
| 23 | Bayfield County | 1.81 |
| 24 | Wood County | 1.80 |
| 25 | Oconto County | 1.75 |
| 26 | Washburn County | 1.67 |
| 27 | Jackson County | 1.66 |
| 28 | St. Croix County | 1.65 |
| 29 | Racine County | 1.63 |
| 30 | Door County | 1.58 |
| 31 | Shawano County | 1.57 |
| 32 | Monroe County | 1.53 |
| 33 | Marinette County | 1.52 |
| 34 | Vilas County | 1.50 |
| 35 | Portage County | 1.44 |
| 36 | Burnett County | 1.36 |
| 37 | Forest County | 1.30 |
| 37 | Sauk County | 1.30 |
| 38 | Polk County | 1.27 |
| 38 | Trempealeau County | 1.27 |
| 38 | Waushara County | 1.27 |
| 39 | Calumet County | 1.26 |
| 40 | Douglas County | 1.25 |
| 41 | Walworth County | 1.22 |
| 42 | Dane County | 1.21 |
| 42 | Dunn County | 1.21 |
| 43 | Eau Claire County | 1.20 |
| 44 | Waukesha County | 1.16 |
| 45 | Winnebago County | 1.13 |
| 46 | Outagamie County | 1.07 |
| 47 | Columbia County | 1.06 |
| 48 | Clark County | 1.04 |
| 49 | Ozaukee County | 0.99 |
| 50 | Buffalo County | 0.98 |
| 51 | Washington County | 0.96 |
| 52 | Iron County | 0.91 |
| 52 | Kenosha County | 0.91 |
| 53 | Lincoln County | 0.86 |
| 53 | Rock County | 0.86 |
| 54 | Waupaca County | 0.85 |
| 55 | Fond du Lac County | 0.83 |
| 56 | Marquette County | 0.79 |
| 57 | Jefferson County | 0.77 |
| 58 | Sheboygan County | 0.73 |
| 59 | Milwaukee County | 0.70 |
| 60 | Green Lake County | 0.65 |
| 61 | Lafayette County | 0.56 |
| 62 | Dodge County | 0.54 |
| 63 | Pepin County | 0.53 |
| 64 | Green County | 0.50 |
| 65 | Menominee County | 0.21 |