Ranking of Oklahoma Counties By Percentage of Some Other Race 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 Some Other Race Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 40.64%. Among all Oklahoma counties, Cimarron County had the highest percentage of its Some Other Race Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (100.00%), followed by Grant County (100.00%), and Roger Mills County (100.00%).

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 Some Other Race Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Cimarron County
Grant County
Roger Mills County
Noble County
Jefferson County
Blaine County
Ottawa County
Beaver County
Harmon County
Love County
Ranking of Oklahoma Counties By Percentage of Some Other Race 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 Cimarron County 100.00
1 Grant County 100.00
1 Roger Mills County 100.00
2 Noble County 83.49
3 Jefferson County 76.47
4 Blaine County 68.22
5 Ottawa County 67.82
6 Beaver County 64.54
7 Harmon County 64.29
8 Love County 63.24
9 Delaware County 61.54
10 Murray County 60.56
11 Okmulgee County 60.00
12 Texas County 59.86
13 Cotton County 58.33
14 Custer County 57.92
15 Le Flore County 57.58
16 Latimer County 57.45
17 Major County 56.28
18 Caddo County 56.25
19 Atoka County 56.00
20 Cherokee County 55.83
21 McCurtain County 53.94
22 Marshall County 53.92
23 Kingfisher County 52.78
24 Carter County 47.38
25 Kay County 46.54
26 Alfalfa County 46.43
27 Tillman County 46.03
28 Tulsa County 45.60
29 Johnston County 45.38
30 Washington County 44.34
31 Beckham County 44.28
32 Oklahoma County 42.80
33 McClain County 40.93
33 Stephens County 40.93
34 Adair County 40.73
35 Canadian County 39.72
36 Jackson County 39.32
37 Muskogee County 38.02
38 Haskell County 37.98
39 Sequoyah County 36.46
40 Wagoner County 36.31
41 Washita County 35.23
42 Pittsburg County 33.61
43 Osage County 32.25
44 Ellis County 31.58
45 Woodward County 31.20
46 Garfield County 29.40
47 Bryan County 28.19
48 Kiowa County 27.49
49 Creek County 26.70
50 Rogers County 26.43
51 Grady County 26.28
52 Coal County 25.00
52 Harper County 25.00
53 Mayes County 21.74
54 Choctaw County 21.15
55 Cleveland County 20.05
56 Greer County 19.74
56 Pottawatomie County 19.74
57 Payne County 19.07
58 Okfuskee County 18.87
59 Hughes County 18.18
60 Pontotoc County 17.65
61 Comanche County 17.03
62 Logan County 16.79
63 Seminole County 14.77
64 Pawnee County 14.74
65 Lincoln County 13.33
66 Garvin County 12.74
67 McIntosh County 10.53
68 Nowata County 7.06
69 Pushmataha County 5.56
70 Craig County 4.12
71 Dewey County 0.00
71 Woods County 0.00