| Judicial Districts By County | County | License Prefix | District | | Beaverhead | 18 | 5 | | Big Horn | 22 | 22 | | Blaine | 24 | 17 | | Broadwater | 43 | 1 | | Carbon | 10 | 22 | | Carter | 42 | 16 | | Cascade | 2 | 8 | | Choteau | 19 | 12 | | Custer | 14 | 16 | | Daniels | 37 | 15 | | Dawson | 16 | 7 | | Deer Lodge | 30 | 3 | | Fallon | 39 | 16 | | Fergus | 8 | 10 | | Flathead | 7 | 11 | | Gallatin | 6 | 18 | | Garfield | 50 | 16 | | Glacier | 38 | 9 | | Golden Valley | 53 | 14 | | Granite | 46 | 3 | | Hill | 12 | 12 | | Jefferson | 51 | 5 | | Judith Basin | 36 | 10 | | Lake | 15 | 20 | | Lewis & Clark | 5 | 1 | | Liberty | 48 | 12 | | Lincoln | 56 | 19 | | Madison | 25 | 5 | | McCone | 41 | 7 | | Meagher | 47 | 14 | | Mineral | 54 | 4 | | Missoula | 4 | 4 | | Musselshell | 23 | 14 | | Park | 49 | 6 | | Petroleum | 55 | 10 | | Phillips | 11 | 17 | | Pondera | 26 | 9 | | Powder River | 9 | 16 | | Powell | 28 | 3 | | Prairie | 45 | 7 | | Ravalli | 13 | 21 | | Richland | 27 | 7 | | Roosevelt | 17 | 15 | | Rosebud | 29 | 16 | | Sanders | 35 | 20 | | Sheridan | 34 | 15 | | Silver Bow | 1 | 2 | | Stillwater | 32 | 22 | | Sweet Grass | 40 | 6 | | Teton | 31 | 9 | | Toole | 21 | 9 | | Treasure | 33 | 16 | | Valley | 20 | 17 | | Wheatland | 44 | 14 | | Wilbaux | 52 | 7 | | Yellowstone | 3 | 13 |
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| | Judicial Districts By District | County | License Prefix | District | | Lewis & Clark | 5 | 1 | | Broadwater | 43 | 1 | | Silver Bow | 1 | 2 | | Powell | 28 | 3 | | Granite | 46 | 3 | | Deer Lodge | 30 | 3 | | Missoula | 4 | 4 | | Mineral | 54 | 4 | | Jefferson | 51 | 5 | | Beaverhead | 18 | 5 | | Madison | 25 | 5 | | Park | 49 | 6 | | Sweet Grass | 40 | 6 | | Dawson | 16 | 7 | | Richland | 27 | 7 | | Wilbaux | 52 | 7 | | McCone | 41 | 7 | | Prairie | 45 | 7 | | Cascade | 2 | 8 | | Pondera | 26 | 9 | | Glacier | 38 | 9 | | Teton | 31 | 9 | | Toole | 21 | 9 | | Fergus | 8 | 10 | | Judith Basin | 36 | 10 | | Petroleum | 55 | 10 | | Flathead | 7 | 11 | | Choteau | 19 | 12 | | Hill | 12 | 12 | | Liberty | 48 | 12 | | Yellowstone | 3 | 13 | | Wheatland | 44 | 14 | | Golden Valley | 53 | 14 | | Musselshell | 23 | 14 | | Meagher | 47 | 14 | | Sheridan | 34 | 15 | | Daniels | 37 | 15 | | Roosevelt | 17 | 15 | | Treasure | 33 | 16 | | Rosebud | 29 | 16 | | Garfield | 50 | 16 | | Fallon | 39 | 16 | | Carter | 42 | 16 | | Custer | 14 | 16 | | Powder River | 9 | 16 | | Phillips | 11 | 17 | | Valley | 20 | 17 | | Blaine | 24 | 17 | | Gallatin | 6 | 18 | | Lincoln | 56 | 19 | | Lake | 15 | 20 | | Sanders | 35 | 20 | | Ravalli | 13 | 21 | | Carbon | 10 | 22 | | Stillwater | 32 | 22 | | Big Horn | 22 | 22 |
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