Ranking of Wisconsin Counties By Percentage of Population with Norwegian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 403.99K people in Wisconsin with Norwegian ancestry (6.88% of Wisconsin population). Among all Wisconsin counties, Trempealeau County had the highest percentage of its population with Norwegian ancestry (29.54%), followed by Vernon County (27.04%), and Jackson County (21.72%).

The chart and table below shows the top 10 counties with high percentage of its population having Norwegian ancestry.

You can see similar information for other states and for other ancestry groups in Wisconsin.

Data Source: US Census Bureau.
Ranking of Wisconsin Counties By Percentage of Population with Norwegian Ancestry in 2021
Trempealeau County
Vernon County
Jackson County
Buffalo County
Barron County
Dunn County
Eau Claire County
La Crosse County
Polk County
St. Croix County
Ranking of Wisconsin Counties By Percentage of Population with Norwegian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Trempealeau County 29.54
2 Vernon County 27.04
3 Jackson County 21.72
4 Buffalo County 20.73
5 Barron County 18.90
6 Dunn County 18.89
7 Eau Claire County 17.82
8 La Crosse County 16.75
9 Polk County 16.72
10 St. Croix County 16.31
11 Green County 15.02
12 Pierce County 14.77
13 Burnett County 14.15
14 Chippewa County 13.64
15 Crawford County 13.31
16 Monroe County 12.89
17 Iowa County 12.78
18 Lafayette County 12.60
19 Washburn County 12.59
20 Pepin County 12.42
21 Bayfield County 11.80
22 Douglas County 11.63
23 Richland County 11.55
24 Columbia County 11.35
25 Rock County 11.13
26 Rusk County 10.51
27 Dane County 9.33
28 Sawyer County 9.16
29 Adams County 8.78
30 Door County 8.62
31 Juneau County 8.14
32 Waupaca County 7.75
33 Sauk County 7.46
34 Ashland County 7.13
35 Portage County 7.04
35 Taylor County 7.04
36 Price County 6.86
37 Lincoln County 6.85
38 Wood County 6.58
39 Jefferson County 6.46
40 Oneida County 6.38
41 Clark County 5.98
42 Grant County 5.92
43 Marquette County 5.72
44 Waushara County 5.53
45 Langlade County 5.38
46 Walworth County 5.35
47 Vilas County 5.32
48 Winnebago County 5.24
49 Marathon County 4.72
50 Dodge County 4.71
51 Racine County 4.56
52 Waukesha County 4.50
53 Iron County 4.46
54 Oconto County 4.41
55 Florence County 4.36
56 Shawano County 4.32
57 Marinette County 4.05
58 Manitowoc County 3.94
59 Sheboygan County 3.91
60 Ozaukee County 3.65
61 Outagamie County 3.60
62 Washington County 3.59
63 Fond du Lac County 3.50
64 Calumet County 3.33
65 Kenosha County 3.29
66 Brown County 3.25
67 Green Lake County 3.11
68 Forest County 2.59
69 Milwaukee County 2.37
70 Kewaunee County 2.11
71 Menominee County 0.26