Ranking of Oklahoma Counties By Percentage of Non-Hispanic White 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 Oklahoma Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 8.32%. Among all Oklahoma counties, Okfuskee County had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (18.70%), followed by Sequoyah County (16.42%), and Atoka County (15.71%).

The chart below shows the top 10 Oklahoma counties, and the table below shows the ranking of all Oklahoma 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 Oklahoma Counties By Percentage of Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Okfuskee County
Sequoyah County
Atoka County
Adair County
Cotton County
Haskell County
Choctaw County
McCurtain County
Coal County
Seminole County
Ranking of Oklahoma Counties By Percentage of Non-Hispanic White 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 Okfuskee County 18.70
2 Sequoyah County 16.42
3 Atoka County 15.71
4 Adair County 15.57
5 Cotton County 15.40
6 Haskell County 14.98
7 Choctaw County 14.86
8 McCurtain County 14.84
9 Coal County 14.73
10 Seminole County 14.62
11 Hughes County 14.31
12 Le Flore County 14.20
13 Delaware County 13.77
14 McIntosh County 13.65
15 Okmulgee County 13.47
16 Greer County 13.40
17 Pushmataha County 13.34
18 Muskogee County 13.26
19 Ottawa County 12.69
20 Marshall County 12.68
21 Latimer County 12.43
22 Bryan County 12.42
23 Johnston County 12.23
24 Tillman County 12.22
25 Beckham County 12.21
26 Jefferson County 12.09
27 Murray County 12.08
28 Mayes County 12.05
29 Texas County 11.96
30 Carter County 11.78
31 Pittsburg County 11.73
32 Kiowa County 11.57
33 Craig County 11.29
34 Ellis County 11.25
35 Blaine County 11.06
36 Pawnee County 11.01
37 Alfalfa County 10.85
38 Nowata County 10.78
39 Lincoln County 10.77
40 Osage County 10.73
41 Pottawatomie County 10.44
42 Cherokee County 10.31
43 Stephens County 10.26
44 Love County 10.22
45 Garvin County 9.91
46 Cimarron County 9.72
47 Grant County 9.49
48 Creek County 9.32
49 Kay County 9.25
50 Caddo County 8.90
51 Noble County 8.82
52 Grady County 8.77
53 Washington County 8.57
54 McClain County 8.54
55 Washita County 8.48
56 Pontotoc County 8.43
57 Woodward County 8.41
58 Garfield County 8.29
59 Comanche County 8.28
60 Major County 7.79
61 Wagoner County 7.69
62 Custer County 7.57
63 Harmon County 7.51
64 Payne County 7.43
65 Woods County 7.19
66 Kingfisher County 7.13
67 Rogers County 7.00
68 Harper County 6.97
69 Cleveland County 6.51
70 Beaver County 6.46
71 Logan County 6.25
72 Jackson County 6.20
73 Tulsa County 5.88
74 Oklahoma County 5.85
75 Roger Mills County 5.23
76 Canadian County 5.15
77 Dewey County 4.76