Montana Citizen Voting-age Population By County in 2022 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2022, the citizen voting-age population for Montana was 849,900 and represented 77.84% of the total Montana population.
Among all Montana counties, Yellowstone had the highest citizen voting-age population (125.86K), followed by Missoula (95.07K), and Gallatin (94.65K).
In terms of percentages, Deer Lodge had the highest percentage of its population being citizens of voting-age (86.22%), followed by Powell (84.93%), and Golden Valley (84.52%).
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 | 125860 | 76.04 |
| Missoula | 95065 | 80.20 |
| Gallatin | 94645 | 79.08 |
| Flathead | 81785 | 77.19 |
| Cascade | 65270 | 77.31 |
| Lewis and Clark | 55720 | 77.95 |
| Ravalli | 36215 | 80.70 |
| Silver Bow | 27915 | 79.07 |
| Lake | 23965 | 76.06 |
| Lincoln | 16185 | 80.30 |
| Park | 14320 | 82.68 |
| Hill | 11650 | 71.74 |
| Sanders | 10355 | 82.09 |
| Jefferson | 9695 | 78.98 |
| Glacier | 9640 | 69.96 |
| Custer | 9535 | 79.76 |
| Fergus | 9220 | 80.21 |
| Big Horn | 8735 | 66.73 |
| Carbon | 8700 | 81.73 |
| Richland | 8210 | 72.24 |
| Deer Lodge | 8135 | 86.22 |
| Beaverhead | 7760 | 81.94 |
| Madison | 7315 | 83.70 |
| Roosevelt | 7140 | 66.11 |
| Stillwater | 7095 | 79.01 |
| Dawson | 6945 | 77.90 |
| Powell | 5945 | 84.93 |
| Valley | 5815 | 77.02 |
| Rosebud | 5810 | 69.92 |
| Broadwater | 5615 | 80.50 |
| Blaine | 4905 | 69.77 |
| Teton | 4680 | 75.00 |
| Pondera | 4530 | 75.69 |
| Chouteau | 4515 | 76.59 |
| Musselshell | 3935 | 79.90 |
| Toole | 3910 | 77.89 |
| Mineral | 3665 | 78.82 |
| Phillips | 3165 | 74.73 |
| Sweet Grass | 2945 | 79.70 |
| Sheridan | 2865 | 77.43 |
| Granite | 2775 | 82.34 |
| Fallon | 2180 | 74.15 |
| Meagher | 1630 | 83.59 |
| Wheatland | 1625 | 78.88 |
| Judith Basin | 1515 | 74.27 |
| Liberty | 1465 | 73.43 |
| McCone | 1450 | 83.10 |
| Powder River | 1445 | 81.41 |
| Daniels | 1230 | 80.13 |
| Carter | 1085 | 81.58 |
| Prairie | 935 | 72.76 |
| Wibaux | 820 | 73.21 |
| Garfield | 755 | 77.44 |
| Golden Valley | 710 | 84.52 |
| Treasure | 550 | 80.88 |
| Petroleum | 345 | 83.13 |