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

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Wisconsin (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 7.08%. Among all Wisconsin counties, Clark County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (17.19%), followed by Adams County (12.14%), and Taylor County (11.05%).

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.

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

Ranking of Wisconsin Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Clark County
Adams County
Taylor County
Waushara County
Milwaukee County
Rusk County
Forest County
Langlade County
Juneau County
Vernon County
Ranking of Wisconsin Counties By Percentage of 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 Clark County 17.19
2 Adams County 12.14
3 Taylor County 11.05
4 Waushara County 11.00
5 Milwaukee County 10.83
6 Rusk County 10.69
7 Forest County 10.04
8 Langlade County 9.94
9 Juneau County 9.66
10 Vernon County 9.57
11 Jackson County 9.49
12 Barron County 9.48
13 Green Lake County 9.39
14 Monroe County 9.27
15 Richland County 8.82
16 Kenosha County 8.65
17 Marinette County 8.56
18 Marquette County 8.47
19 Lafayette County 8.46
20 Buffalo County 8.44
21 Walworth County 8.37
22 Florence County 8.30
23 Racine County 8.29
24 Trempealeau County 8.27
25 Sauk County 8.22
26 Dodge County 8.01
27 Rock County 7.97
28 Oconto County 7.83
29 Fond du Lac County 7.78
30 Grant County 7.70
31 Crawford County 7.68
32 Pepin County 7.64
33 Brown County 7.62
34 Price County 7.56
35 Shawano County 7.53
36 Jefferson County 7.52
37 Lincoln County 7.37
37 Manitowoc County 7.37
38 Burnett County 7.33
39 Chippewa County 7.28
40 Green County 7.17
40 Washburn County 7.17
41 Marathon County 7.15
42 Waupaca County 6.99
43 Wood County 6.66
44 Sawyer County 6.61
45 Winnebago County 6.38
46 Ashland County 6.23
47 Polk County 6.16
48 Kewaunee County 6.07
49 Sheboygan County 6.06
50 Columbia County 6.01
51 Dunn County 5.99
52 Douglas County 5.76
53 Outagamie County 5.70
54 Oneida County 5.33
55 Menominee County 5.23
56 Portage County 5.22
57 Calumet County 5.21
58 Washington County 4.98
59 Pierce County 4.89
59 Vilas County 4.89
60 Bayfield County 4.57
61 Door County 4.51
62 Eau Claire County 4.48
63 La Crosse County 4.34
64 Iron County 4.28
65 Iowa County 4.16
66 Dane County 3.92
67 St. Croix County 3.70
68 Waukesha County 3.60
69 Ozaukee County 2.64