| County | Mixed Race Population |
| Yellowstone |  2,306 |
| Cascade | 1,800 |
| Missoula | 1,672 |
| Flathead | 1,140 |
| Lewis and Clark | 971 |
| Lake | 909 |
| Gallatin | 798 |
| Ravalli | 533 |
| Silver Bow | 465 |
| Big Horn | 402 |
| Hill | 362 |
| Lincoln | 349 |
| Glacier | 342 |
| Roosevelt | 282 |
| Sanders | 258 |
| Rosebud | 202 |
| Park | 183 |
| Fergus | 157 |
| Jefferson | 153 |
| Deer Lodge | 148 |
| Powell | 144 |
| Toole | 128 |
| Valley | 120 |
| Pondera | 114 |
| Blaine | 111 |
| Beaverhead | 110 |
| Stillwater | 104 |
| Teton | 96 |
| Mineral | 92 |
| Carbon | 92 |
| Custer | 91 |
| Madison | 89 |
| Phillips | 83 |
| Dawson | 73 |
| Richland | 73 |
| Musselshell | 70 |
| Sheridan | 47 |
| Sweet Grass | 46 |
| Granite | 45 |
| Chouteau | 44 |
| Broadwater | 43 |
| Daniels | 28 |
| Wheatland | 27 |
| McCone | 22 |
| Meagher | 21 |
| Judith Basin | 20 |
| Fallon | 17 |
| Powder River | 16 |
| Wibaux | 13 |
| Prairie | 11 |
| Golden Valley | 10 |
| Liberty | 6 |
| Treasure | 4 |
| Carter | 3 |
| Petroleum | 1 |
| Garfield | 1 |
| Yellowstone National Park | 0 |