Ranking of Oklahoma Counties By Percentage of Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.06M people in Oklahoma with Unclassified ancestry (26.94% of Oklahoma population). Among all Oklahoma counties, Grant County had the highest percentage of its population with Unclassified ancestry (44.55%), followed by Creek County (40.78%), and Sequoyah County (39.76%).

The chart and table below shows the top 10 counties with high percentage of its population having Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in Oklahoma.

Data Source: US Census Bureau.
Ranking of Oklahoma Counties By Percentage of Population with Unclassified Ancestry in 2021
Grant County
Creek County
Sequoyah County
Lincoln County
Roger Mills County
Woodward County
Pottawatomie County
Kay County
Major County
Harper County
Ranking of Oklahoma Counties By Percentage of Population with Unclassified Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Grant County 44.55
2 Creek County 40.78
3 Sequoyah County 39.76
4 Lincoln County 39.74
5 Roger Mills County 39.00
6 Woodward County 37.44
7 Pottawatomie County 37.08
8 Kay County 35.92
9 Major County 35.03
10 Harper County 33.86
11 Payne County 32.91
12 Blaine County 32.70
13 Ellis County 32.60
14 Beckham County 32.50
15 Noble County 32.46
16 Pittsburg County 32.35
17 Okfuskee County 32.16
18 Haskell County 32.02
19 Seminole County 31.63
20 Stephens County 30.84
21 McClain County 30.76
21 Washington County 30.76
22 Woods County 30.50
23 Adair County 30.40
24 Garfield County 30.22
25 Choctaw County 30.08
26 Harmon County 30.04
27 Okmulgee County 29.79
28 Grady County 29.68
29 Alfalfa County 29.56
30 Mayes County 29.17
31 Pushmataha County 28.96
32 Rogers County 28.50
33 Cleveland County 28.39
34 Logan County 28.34
35 Kingfisher County 28.25
36 Le Flore County 28.04
37 Canadian County 27.87
38 Craig County 27.70
39 Wagoner County 27.34
40 Greer County 27.22
41 Cotton County 26.83
42 McCurtain County 26.58
43 Washita County 26.42
44 Coal County 26.22
45 Jefferson County 25.68
46 Dewey County 25.66
47 Beaver County 25.33
48 Atoka County 25.21
48 Oklahoma County 25.21
49 Caddo County 25.13
49 Ottawa County 25.13
50 Carter County 24.98
51 Love County 24.94
52 Garvin County 24.78
53 Nowata County 24.13
54 Tulsa County 23.85
55 Jackson County 23.84
56 Osage County 23.75
57 Kiowa County 23.74
58 Murray County 23.61
59 Delaware County 23.52
60 McIntosh County 23.51
61 Cimarron County 23.25
62 Pawnee County 23.20
63 Custer County 23.17
64 Latimer County 22.96
65 Comanche County 22.94
66 Texas County 22.30
67 Muskogee County 21.80
68 Tillman County 21.47
69 Bryan County 20.08
70 Cherokee County 19.93
71 Pontotoc County 18.25
72 Hughes County 17.10
73 Marshall County 16.67
74 Johnston County 16.33