Ranking of Minnesota 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 Minnesota (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 6.44%. Among all Minnesota counties, Nobles County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (21.18%), followed by Clearwater County (13.67%), and Mahnomen County (13.55%).

The chart below shows the top 10 Minnesota counties, and the table below shows the ranking of all Minnesota 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 Minnesota Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Nobles County
Clearwater County
Mahnomen County
Watonwan County
Todd County
Freeborn County
Mower County
Kanabec County
Murray County
Mille Lacs County
Ranking of Minnesota 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 Nobles County 21.18
2 Clearwater County 13.67
3 Mahnomen County 13.55
4 Watonwan County 12.82
5 Todd County 12.22
6 Freeborn County 11.77
7 Mower County 10.61
8 Kanabec County 9.96
9 Murray County 9.89
10 Mille Lacs County 9.71
11 Renville County 9.43
12 Wadena County 9.33
13 Chippewa County 9.13
14 Ramsey County 9.05
15 Swift County 8.94
16 Cottonwood County 8.89
17 Kandiyohi County 8.82
18 Pine County 8.73
19 Benton County 8.71
20 Pipestone County 8.45
21 Fillmore County 8.40
22 Steele County 8.35
23 Marshall County 8.18
24 Aitkin County 8.16
25 Morrison County 8.08
26 Big Stone County 8.06
27 Isanti County 8.04
28 Norman County 7.84
29 Stearns County 7.75
30 Yellow Medicine County 7.71
31 Rice County 7.69
32 Koochiching County 7.65
33 Faribault County 7.45
34 Otter Tail County 7.37
35 Sibley County 7.36
36 Polk County 7.22
37 Waseca County 7.18
38 Grant County 7.16
38 Jackson County 7.16
39 Redwood County 7.11
40 Becker County 7.07
41 Beltrami County 7.04
42 Lyon County 6.98
43 Brown County 6.83
44 Martin County 6.68
45 Winona County 6.64
46 Lake County 6.59
46 Roseau County 6.59
47 Traverse County 6.56
48 Stevens County 6.53
49 Cass County 6.38
50 Lincoln County 6.23
51 McLeod County 6.21
52 Carlton County 6.19
53 Hennepin County 6.13
54 Meeker County 6.10
55 Crow Wing County 6.01
56 Lac qui Parle County 5.99
57 Wilkin County 5.89
58 Anoka County 5.86
59 Sherburne County 5.72
60 Rock County 5.63
61 Itasca County 5.62
62 Goodhue County 5.60
63 Hubbard County 5.58
63 Wabasha County 5.58
64 Red Lake County 5.51
65 Wright County 5.45
66 Pope County 5.44
67 St. Louis County 5.37
68 Blue Earth County 5.20
68 Le Sueur County 5.20
69 Clay County 5.13
70 Scott County 5.07
71 Olmsted County 5.04
72 Nicollet County 5.03
73 Pennington County 4.95
74 Dakota County 4.91
75 Chisago County 4.67
76 Douglas County 4.66
77 Houston County 4.58
78 Kittson County 4.29
79 Dodge County 4.13
80 Carver County 3.81
81 Washington County 3.74
82 Cook County 3.46
83 Lake of the Woods County 2.42