Montana Citizen Voting-age Population By County in 2013 (ACS-5Yrs)
Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2013, the citizen voting-age population for Montana was 766,855 and represented 76.80% of the total Montana population.
Among all Montana counties, Yellowstone had the highest citizen voting-age population (113.63K), followed by Missoula (87.10K), and Gallatin (71.07K).
In terms of percentages, Powell had the highest percentage of its population being citizens of voting-age (84.26%), followed by Treasure (83.80%), and Granite (82.61%).
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 | 113630 | 75.68 |
| Missoula | 87095 | 79.00 |
| Gallatin | 71070 | 77.67 |
| Flathead | 69550 | 75.98 |
| Cascade | 62395 | 76.45 |
| Lewis and Clark | 49395 | 77.01 |
| Ravalli | 31465 | 77.83 |
| Silver Bow | 26770 | 78.00 |
| Lake | 21495 | 74.36 |
| Lincoln | 15740 | 80.39 |
| Park | 12425 | 79.55 |
| Hill | 11765 | 72.18 |
| Fergus | 9150 | 79.46 |
| Custer | 9125 | 77.43 |
| Sanders | 9100 | 79.83 |
| Glacier | 9080 | 67.11 |
| Jefferson | 8775 | 76.74 |
| Big Horn | 8605 | 66.50 |
| Carbon | 8080 | 79.80 |
| Richland | 7785 | 75.44 |
| Deer Lodge | 7520 | 80.99 |
| Beaverhead | 7420 | 79.96 |
| Dawson | 7255 | 79.46 |
| Roosevelt | 7240 | 67.89 |
| Stillwater | 7140 | 77.82 |
| Rosebud | 6550 | 70.35 |
| Madison | 6290 | 81.69 |
| Powell | 5940 | 84.26 |
| Valley | 5760 | 77.16 |
| Pondera | 4595 | 74.53 |
| Blaine | 4585 | 70.00 |
| Teton | 4565 | 75.27 |
| Broadwater | 4330 | 76.43 |
| Chouteau | 4245 | 72.88 |
| Toole | 4150 | 79.43 |
| Musselshell | 3690 | 78.01 |
| Mineral | 3455 | 81.87 |
| Phillips | 3225 | 76.69 |
| Sheridan | 2705 | 77.84 |
| Sweet Grass | 2700 | 74.18 |
| Granite | 2565 | 82.61 |
| Fallon | 2290 | 74.23 |
| Liberty | 1905 | 80.89 |
| Wheatland | 1720 | 80.37 |
| Judith Basin | 1650 | 80.69 |
| Daniels | 1470 | 82.58 |
| Meagher | 1440 | 75.59 |
| McCone | 1420 | 79.11 |
| Powder River | 1350 | 80.84 |
| Carter | 1015 | 81.86 |
| Prairie | 975 | 82.28 |
| Garfield | 870 | 75.98 |
| Wibaux | 735 | 79.03 |
| Treasure | 595 | 83.80 |
| Golden Valley | 585 | 82.39 |
| Petroleum | 415 | 76.85 |
