Ranking of North Dakota Counties By 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. Among all North Dakota counties, Cass County had the highest population with Unclassified ancestry (30.02K), followed by Burleigh County (18.13K), and Ward County (16.36K).

The chart and table below shows the top 10 counties with high number of people with Unclassified ancestry.

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

Data Source: US Census Bureau.
Ranking of North Dakota Counties By Population with Unclassified Ancestry in 2021
Cass County
Burleigh County
Ward County
Grand Forks County
Williams County
Stark County
Morton County
Stutsman County
McKenzie County
McLean County
Ranking of North Dakota Counties By Population with Unclassified Ancestry in 2021
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Rank County Population
1 Cass County 30018
2 Burleigh County 18129
3 Ward County 16360
4 Grand Forks County 14565
5 Williams County 12828
6 Stark County 6508
7 Morton County 4648
8 Stutsman County 4273
9 McKenzie County 4259
10 McLean County 4189
11 Richland County 3286
12 Mountrail County 2799
13 Barnes County 2372
14 Walsh County 2287
15 Mercer County 1976
16 Ramsey County 1941
17 Traill County 1877
18 Pembina County 1690
19 Rolette County 1372
20 Wells County 1313
21 McHenry County 1282
22 Dunn County 1267
23 Bottineau County 1218
24 Ransom County 1097
25 Dickey County 1065
26 Pierce County 855
27 Foster County 820
28 LaMoure County 778
29 Cavalier County 776
30 Sargent County 666
31 Griggs County 609
32 Emmons County 573
33 Renville County 557
34 Bowman County 551
35 Steele County 515
36 Hettinger County 511
37 Burke County 502
38 Nelson County 463
39 McIntosh County 418
40 Golden Valley County 388
41 Sheridan County 386
42 Sioux County 375
43 Grant County 365
44 Eddy County 358
45 Divide County 348
46 Kidder County 347
47 Benson County 345
48 Oliver County 339
49 Towner County 338
50 Adams County 305
51 Logan County 281
52 Billings County 183
53 Slope County 168