Montana Citizen Voting-age Population By County in 2012 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2012, the citizen voting-age population for Montana was 759,475 and represented 76.65% of the total Montana population.
Among all Montana counties, Yellowstone had the highest citizen voting-age population (112.30K), followed by Missoula (86.48K), and Gallatin (70.11K).
In terms of percentages, Treasure had the highest percentage of its population being citizens of voting-age (85.00%), followed by Carter (83.92%), and Prairie (83.68%).
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 | 112295 | 75.78 |
| Missoula | 86475 | 79.05 |
| Gallatin | 70115 | 77.61 |
| Flathead | 68625 | 75.44 |
| Cascade | 62020 | 76.33 |
| Lewis and Clark | 48630 | 76.67 |
| Ravalli | 31220 | 77.45 |
| Silver Bow | 26630 | 77.94 |
| Lake | 21340 | 74.11 |
| Lincoln | 15670 | 79.97 |
| Park | 12505 | 79.88 |
| Hill | 11685 | 72.33 |
| Fergus | 9185 | 79.83 |
| Custer | 9045 | 77.28 |
| Glacier | 9040 | 67.36 |
| Sanders | 9025 | 79.03 |
| Jefferson | 8710 | 76.67 |
| Big Horn | 8550 | 66.43 |
| Carbon | 7910 | 78.67 |
| Richland | 7510 | 75.40 |
| Deer Lodge | 7455 | 80.38 |
| Beaverhead | 7345 | 79.58 |
| Dawson | 7255 | 80.43 |
| Roosevelt | 7150 | 68.26 |
| Stillwater | 7020 | 77.19 |
| Rosebud | 6495 | 70.14 |
| Madison | 6250 | 81.27 |
| Powell | 5900 | 83.51 |
| Valley | 5695 | 76.70 |
| Pondera | 4580 | 74.53 |
| Teton | 4580 | 75.33 |
| Blaine | 4550 | 69.84 |
| Broadwater | 4290 | 76.95 |
| Chouteau | 4220 | 72.63 |
| Toole | 4175 | 80.13 |
| Musselshell | 3590 | 78.13 |
| Mineral | 3340 | 79.43 |
| Phillips | 3215 | 76.46 |
| Sheridan | 2670 | 77.50 |
| Sweet Grass | 2645 | 72.27 |
| Granite | 2535 | 82.17 |
| Fallon | 2265 | 74.26 |
| Liberty | 1840 | 79.14 |
| Wheatland | 1720 | 80.37 |
| Judith Basin | 1675 | 81.71 |
| Meagher | 1495 | 78.68 |
| Daniels | 1450 | 83.57 |
| McCone | 1380 | 76.24 |
| Powder River | 1280 | 78.05 |
| Carter | 1070 | 83.92 |
| Prairie | 1000 | 83.68 |
| Garfield | 860 | 78.18 |
| Wibaux | 705 | 78.33 |
| Treasure | 595 | 85.00 |
| Golden Valley | 570 | 74.03 |
| Petroleum | 425 | 75.22 |
