Montana Citizen Voting-age Population By County in 2014 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2014, the citizen voting-age population for Montana was 774,020 and represented 76.91% of the total Montana population.
Among all Montana counties, Yellowstone had the highest citizen voting-age population (114.99K), followed by Missoula (87.90K), and Gallatin (72.27K).
In terms of percentages, Treasure had the highest percentage of its population being citizens of voting-age (84.21%), followed by Powell (84.09%), and Wheatland (82.12%).
The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.
You can see similar information for other states and by state for the United States.
| County | Citizen Voting-age Population | % of County Population |
|---|---|---|
| Yellowstone | 114990 | 75.67 |
| Missoula | 87895 | 79.18 |
| Gallatin | 72265 | 77.61 |
| Flathead | 70430 | 76.24 |
| Cascade | 62635 | 76.43 |
| Lewis and Clark | 50030 | 77.24 |
| Ravalli | 31905 | 78.51 |
| Silver Bow | 27000 | 78.35 |
| Lake | 21585 | 74.47 |
| Lincoln | 15690 | 80.65 |
| Park | 12555 | 80.28 |
| Hill | 11890 | 72.35 |
| Custer | 9190 | 77.42 |
| Fergus | 9110 | 79.25 |
| Glacier | 9090 | 66.64 |
| Sanders | 9090 | 79.91 |
| Jefferson | 8830 | 77.02 |
| Big Horn | 8665 | 66.25 |
| Richland | 8160 | 76.37 |
| Carbon | 8135 | 79.83 |
| Deer Lodge | 7555 | 81.72 |
| Beaverhead | 7420 | 79.83 |
| Roosevelt | 7400 | 68.14 |
| Dawson | 7240 | 78.53 |
| Stillwater | 7180 | 77.92 |
| Rosebud | 6585 | 70.54 |
| Madison | 6320 | 81.81 |
| Powell | 5895 | 84.09 |
| Valley | 5780 | 76.86 |
| Pondera | 4605 | 74.16 |
| Teton | 4590 | 75.56 |
| Blaine | 4585 | 69.73 |
| Broadwater | 4420 | 77.61 |
| Chouteau | 4315 | 73.64 |
| Toole | 4120 | 79.08 |
| Musselshell | 3705 | 77.84 |
| Mineral | 3465 | 81.92 |
| Phillips | 3225 | 76.88 |
| Sheridan | 2730 | 77.78 |
| Sweet Grass | 2660 | 73.48 |
| Granite | 2540 | 81.02 |
| Fallon | 2265 | 74.75 |
| Liberty | 1785 | 79.87 |
| Wheatland | 1745 | 82.12 |
| Judith Basin | 1625 | 80.25 |
| Meagher | 1590 | 78.52 |
| Daniels | 1485 | 81.82 |
| McCone | 1410 | 80.11 |
| Powder River | 1380 | 80.70 |
| Prairie | 1025 | 80.08 |
| Carter | 985 | 81.74 |
| Garfield | 845 | 77.17 |
| Wibaux | 765 | 77.67 |
| Treasure | 640 | 84.21 |
| Golden Valley | 605 | 81.76 |
| Petroleum | 395 | 80.61 |
