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.
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Related Topics: Oklahoma ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
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 |