| State/Region (2000 population) | % of Region's Population | Ethnic Group Population | 
| North Dakota (642,200) | 30.1 | 193,302 | 
| Minnesota (4,919,479) | 17.3 | 851,070 | 
| South Dakota (754,844) | 15.3 | 115,491 | 
| Montana (902,195) | 10.6 | 95,633 | 
| Wisconsin (5,363,675) | 8.5 | 455,912 | 
| Washington (5,894,121) | 6.2 | 365,436 | 
| Iowa (2,926,324) | 5.7 | 166,800 |