| County | American Indian Population |
| Rolette |  9,843 |
| Benson | 3,563 |
| Sioux | 3,427 |
| Burleigh | 3,057 |
| Mountrail | 2,013 |
| Cass | 1,870 |
| Grand Forks | 1,813 |
| Ward | 1,296 |
| McKenzie | 1,254 |
| Williams | 964 |
| Ramsey | 840 |
| Morton | 742 |
| McLean | 590 |
| Dunn | 451 |
| Richland | 442 |
| Stutsman | 282 |
| Stark | 238 |
| Mercer | 221 |
| Walsh | 171 |
| Bottineau | 143 |
| Pembina | 132 |
| Barnes | 99 |
| Traill | 87 |
| Eddy | 73 |
| Towner | 69 |
| Grant | 58 |
| Pierce | 45 |
| Hettinger | 43 |
| Dickey | 39 |
| Oliver | 32 |
| Sargent | 31 |
| Cavalier | 30 |
| McHenry | 25 |
| Renville | 22 |
| Foster | 21 |
| Nelson | 21 |
| Ransom | 20 |
| Wells | 15 |
| Steele | 15 |
| Golden Valley | 14 |
| LaMoure | 10 |
| Griggs | 10 |
| Bowman | 10 |
| McIntosh | 8 |
| Adams | 8 |
| Sheridan | 7 |
| Divide | 7 |
| Burke | 5 |
| Emmons | 5 |
| Kidder | 4 |
| Logan | 3 |
| Billings | 1 |
| Slope | 1 |