Ranking of Ohio 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 Ohio American Indian and Alaska Native Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 19.16%. Among all Ohio counties, Harrison 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 (100.00%), followed by Wyandot County (100.00%), and Putnam County (92.86%).

The chart below shows the top 10 Ohio counties, and the table below shows the ranking of all Ohio 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 Ohio 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
Harrison County
Wyandot County
Putnam County
Guernsey County
Hancock County
Jefferson County
Shelby County
Trumbull County
Noble County
Holmes County
Ranking of Ohio 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 Harrison County 100.00
1 Wyandot County 100.00
2 Putnam County 92.86
3 Guernsey County 74.36
4 Hancock County 70.83
5 Jefferson County 64.71
6 Shelby County 60.98
7 Trumbull County 57.75
8 Noble County 53.57
9 Holmes County 51.35
10 Fayette County 45.46
11 Pickaway County 41.86
12 Coshocton County 36.36
13 Miami County 35.82
14 Wood County 34.16
15 Richland County 32.59
16 Perry County 31.90
17 Licking County 31.21
18 Cuyahoga County 27.26
19 Clark County 25.68
20 Washington County 25.63
21 Franklin County 25.54
22 Belmont County 25.42
23 Ottawa County 25.33
24 Huron County 23.33
25 Columbiana County 22.64
26 Madison County 21.95
27 Portage County 21.48
28 Summit County 19.93
29 Ross County 19.36
30 Butler County 19.15
31 Allen County 18.75
32 Montgomery County 17.53
33 Defiance County 16.67
33 Gallia County 16.67
34 Seneca County 16.06
35 Lucas County 15.49
36 Lorain County 15.44
37 Clermont County 15.22
38 Williams County 15.19
39 Fulton County 14.66
40 Pike County 13.68
41 Marion County 13.53
42 Wayne County 13.39
43 Union County 13.16
44 Ashtabula County 11.11
45 Medina County 9.52
46 Ashland County 9.33
47 Greene County 9.21
48 Erie County 8.67
49 Hamilton County 8.60
50 Muskingum County 8.45
51 Van Wert County 8.07
52 Brown County 8.00
52 Champaign County 8.00
53 Highland County 7.55
54 Henry County 6.74
55 Lake County 4.86
56 Fairfield County 4.60
57 Auglaize County 4.55
58 Sandusky County 3.43
59 Mahoning County 2.76
60 Logan County 2.56
61 Adams County 0.00
61 Athens County 0.00
61 Crawford County 0.00
61 Darke County 0.00
61 Delaware County 0.00
61 Geauga County 0.00
61 Hardin County 0.00
61 Hocking County 0.00
61 Jackson County 0.00
61 Knox County 0.00
61 Lawrence County 0.00
61 Meigs County 0.00
61 Morgan County 0.00
61 Paulding County 0.00
61 Preble County 0.00
61 Scioto County 0.00
61 Stark County 0.00
61 Tuscarawas County 0.00
61 Vinton County 0.00
61 Warren County 0.00