Ranking of North Dakota 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 155.74K people in North Dakota with Unclassified ancestry (20.14% of North Dakota population). Among all North Dakota counties, McLean County had the highest percentage of its population with Unclassified ancestry (42.80%), followed by Williams County (33.35%), and Wells County (32.57%).
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 North Dakota.
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Related Topics: North Dakota ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of North Dakota Counties By Percentage of Population with Unclassified Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | McLean County | 42.80 |
| 2 | Williams County | 33.35 |
| 3 | Wells County | 32.57 |
| 4 | Dunn County | 31.25 |
| 5 | McKenzie County | 30.95 |
| 6 | Sheridan County | 29.07 |
| 7 | Mountrail County | 28.81 |
| 8 | Steele County | 27.54 |
| 9 | Griggs County | 27.16 |
| 10 | Pembina County | 24.45 |
| 11 | Foster County | 24.15 |
| 12 | Renville County | 23.93 |
| 13 | McHenry County | 23.65 |
| 14 | Mercer County | 23.51 |
| 15 | Ward County | 23.48 |
| 16 | Traill County | 23.44 |
| 17 | Burke County | 23.06 |
| 18 | Barnes County | 21.82 |
| 19 | Billings County | 21.81 |
| 20 | Slope County | 21.68 |
| 21 | Walsh County | 21.51 |
| 22 | Golden Valley County | 21.41 |
| 23 | Dickey County | 21.25 |
| 24 | Pierce County | 21.17 |
| 25 | Cavalier County | 20.83 |
| 26 | Hettinger County | 20.42 |
| 27 | Grand Forks County | 19.92 |
| 28 | Stark County | 19.90 |
| 29 | Richland County | 19.86 |
| 30 | Stutsman County | 19.71 |
| 31 | Ransom County | 19.32 |
| 32 | Bottineau County | 18.91 |
| 33 | LaMoure County | 18.64 |
| 34 | Burleigh County | 18.52 |
| 35 | Oliver County | 18.32 |
| 36 | Bowman County | 18.22 |
| 37 | Sargent County | 17.35 |
| 38 | Emmons County | 17.28 |
| 39 | Ramsey County | 16.68 |
| 40 | Cass County | 16.40 |
| 41 | McIntosh County | 16.28 |
| 42 | Divide County | 15.85 |
| 43 | Grant County | 15.53 |
| 44 | Logan County | 15.49 |
| 45 | Towner County | 15.43 |
| 46 | Nelson County | 15.26 |
| 47 | Eddy County | 15.06 |
| 48 | Kidder County | 14.48 |
| 49 | Morton County | 14.12 |
| 50 | Adams County | 13.63 |
| 51 | Rolette County | 10.97 |
| 52 | Sioux County | 9.39 |
| 53 | Benson County | 5.67 |