Ranking of Ohio Counties By Black or African American 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 Ohio Black or African American Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 122,239. Among all Ohio counties, Cuyahoga County had the highest Black or African American Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (33,426), followed by Franklin County (22,745), and Hamilton County (17,634).

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 Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Cuyahoga County
Franklin County
Hamilton County
Lucas County
Montgomery County
Summit County
Mahoning County
Lorain County
Stark County
Butler County
Ranking of Ohio Counties By Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 Cuyahoga County 33426
2 Franklin County 22745
3 Hamilton County 17634
4 Lucas County 8529
5 Montgomery County 8171
6 Summit County 5471
7 Mahoning County 3087
8 Lorain County 2647
9 Stark County 1995
10 Butler County 1650
11 Allen County 1331
12 Richland County 1297
13 Trumbull County 1124
14 Warren County 1014
15 Clark County 880
16 Erie County 796
17 Ross County 761
18 Lake County 714
19 Madison County 700
20 Fairfield County 682
21 Marion County 635
22 Greene County 565
23 Muskingum County 473
24 Ashtabula County 450
25 Scioto County 447
26 Pickaway County 389
27 Belmont County 353
28 Columbiana County 290
29 Portage County 250
30 Union County 235
31 Licking County 229
32 Seneca County 199
33 Delaware County 186
34 Miami County 184
35 Noble County 180
36 Medina County 165
37 Jefferson County 150
38 Shelby County 135
39 Washington County 128
40 Wayne County 105
41 Coshocton County 104
41 Huron County 104
42 Ottawa County 98
43 Clermont County 95
44 Pike County 80
45 Highland County 79
45 Williams County 79
46 Hancock County 77
47 Gallia County 67
48 Logan County 66
49 Guernsey County 63
49 Harrison County 63
50 Sandusky County 61
51 Geauga County 58
52 Fayette County 55
53 Darke County 51
54 Athens County 46
54 Clinton County 46
55 Defiance County 38
56 Lawrence County 34
57 Morgan County 33
57 Tuscarawas County 33
57 Wood County 33
58 Auglaize County 32
58 Champaign County 32
58 Fulton County 32
59 Henry County 31
60 Crawford County 28
61 Mercer County 26
61 Perry County 26
62 Morrow County 22
63 Putnam County 19
64 Knox County 17
65 Ashland County 15
66 Brown County 14
66 Paulding County 14
67 Jackson County 13
67 Meigs County 13
67 Preble County 13
68 Carroll County 9
69 Holmes County 6
70 Hardin County 5
71 Adams County 3
71 Wyandot County 3
72 Monroe County 1
73 Hocking County 0
73 Van Wert County 0
73 Vinton County 0