Ranking of Wisconsin Counties By Percentage of American Indian and Alaska Native Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Wisconsin American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 12.33%. Among all Wisconsin counties, Kewaunee County had the highest percentage of its American Indian and Alaska Native Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (90.57%), followed by Grant County (56.82%), and Walworth County (46.92%).

The chart below shows the top 10 Wisconsin counties, and the table below shows the ranking of all Wisconsin counties.

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Wisconsin Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Kewaunee County
Grant County
Walworth County
Buffalo County
Vernon County
Waushara County
Clark County
Jefferson County
Trempealeau County
Polk County
Ranking of Wisconsin Counties By Percentage of American Indian and Alaska Native Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Kewaunee County 90.57
2 Grant County 56.82
3 Walworth County 46.92
4 Buffalo County 45.46
5 Vernon County 42.11
6 Waushara County 35.90
7 Clark County 35.56
8 Jefferson County 34.88
9 Trempealeau County 32.65
10 Polk County 28.64
11 Door County 27.32
12 Adams County 26.97
13 Manitowoc County 26.94
14 Rusk County 26.32
15 Forest County 23.23
16 Oconto County 22.82
17 Marquette County 20.45
18 Juneau County 20.20
19 Marathon County 19.51
20 Washington County 19.49
21 Marinette County 18.24
22 Kenosha County 17.77
23 Sauk County 17.60
24 Ozaukee County 16.67
25 Green Lake County 16.00
26 Pierce County 15.91
27 Brown County 14.51
28 Burnett County 14.44
29 Waukesha County 14.07
30 Langlade County 13.59
31 Milwaukee County 13.32
32 Racine County 13.18
33 La Crosse County 12.72
34 Waupaca County 12.67
35 Fond du Lac County 12.64
36 Richland County 12.50
36 Vilas County 12.50
37 Rock County 11.91
38 Bayfield County 11.24
39 Dodge County 10.44
40 Washburn County 9.70
41 Ashland County 9.68
42 Douglas County 9.56
43 Sawyer County 9.05
44 Jackson County 9.04
45 Shawano County 8.88
46 Winnebago County 8.72
47 Calumet County 8.51
48 Lincoln County 8.22
49 Iron County 7.50
50 Price County 7.14
51 Outagamie County 6.89
52 Wood County 6.67
53 Menominee County 5.97
54 Monroe County 5.78
55 Oneida County 5.42
56 Sheboygan County 5.41
57 Taylor County 4.17
58 Dane County 3.27
59 Portage County 2.67
60 Barron County 2.59
61 St. Croix County 2.50
62 Chippewa County 1.42
63 Eau Claire County 0.52
64 Columbia County 0.00
64 Crawford County 0.00
64 Dunn County 0.00
64 Florence County 0.00
64 Green County 0.00
64 Iowa County 0.00
64 Lafayette County 0.00
64 Pepin County 0.00