Montana Non-Hispanic White Alone Citizen Voting-age Population By County in 2019 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, the Non-Hispanic White Alone citizen voting-age population for Montana was 2,551,105 and represented 313.97% of the total Montana citizen voting-age population.

Among all Montana counties, Yellowstone had the highest Non-Hispanic White Alone citizen voting-age population (107.94K), followed by Missoula (85.48K), and Gallatin (79.11K).

In terms of percentages, Prairie had the highest percentage of its citizen voting-age population being Non-Hispanic White Alone (99.47%), followed by Garfield (98.79%), and Liberty (98.35%).

The chart and table below shows the Non-Hispanic White Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic White Alone.

You can see similar information for other states and by state for the United States.

You can also see similar information for other ethnicities.

See this for other years:
Montana Non-Hispanic White Alone Citizen Voting-age Population By County in 2019
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Yellowstone 107940 89.77
Missoula 85480 91.45
Gallatin 79105 93.30
Flathead 72505 94.08
Cascade 55015 87.65
Lewis and Clark 49110 92.91
Ravalli 32070 94.27
Silver Bow 24955 91.73
Lake 16050 71.11
Lincoln 14875 94.21
Park 12490 94.02
Hill 8870 75.14
Jefferson 8845 94.60
Sanders 8700 91.63
Custer 8555 93.65
Fergus 8325 94.82
Carbon 8255 94.94
Richland 7510 91.47
Deer Lodge 7050 92.89
Beaverhead 7045 92.45
Stillwater 6940 94.81
Dawson 6490 92.32
Madison 6440 95.06
Powell 5190 89.41
Valley 5045 87.06
Broadwater 4440 93.47
Teton 4330 94.23
Rosebud 4045 63.06
Pondera 3810 84.95
Musselshell 3515 92.38
Toole 3445 87.55
Chouteau 3440 79.63
Glacier 3225 34.68
Mineral 3205 92.63
Roosevelt 3055 41.57
Big Horn 3015 34.48
Sweet Grass 2765 93.57
Phillips 2680 86.31
Granite 2635 98.32
Sheridan 2555 93.59
Blaine 2370 50.32
Fallon 2045 96.24
Liberty 1790 98.35
Judith Basin 1495 96.14
Wheatland 1495 96.14
Meagher 1450 97.32
McCone 1320 97.06
Powder River 1255 94.36
Daniels 1240 93.23
Carter 1025 98.09
Prairie 940 99.47
Garfield 815 98.79
Wibaux 755 92.64
Golden Valley 570 91.20
Treasure 530 94.64
Petroleum 335 93.06