Montana Non-Hispanic White Alone Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the Non-Hispanic White Alone citizen population for Montana was 3,196,310 and represented 318.09% of the total Montana citizen population.

Among all Montana counties, Yellowstone had the highest Non-Hispanic White Alone citizen population (133.75K), followed by Missoula (100.27K), and Gallatin (87.69K).

In terms of percentages, Wibaux had the highest percentage of its citizen population being Non-Hispanic White Alone (98.97%), followed by Carter (97.96%), and Petroleum (97.75%).

The chart and table below shows the Non-Hispanic White Alone citizen population of each county and the percentage of each county's citizen 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 Population By County in 2015
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County Citizen Population % of County Citizen Population
Yellowstone 133750 87.77
Missoula 100270 90.71
Gallatin 87685 93.72
Flathead 86660 93.61
Cascade 70525 86.57
Lewis and Clark 59780 92.10
Ravalli 37920 93.42
Silver Bow 31320 92.16
Lake 19185 66.43
Lincoln 18035 93.76
Park 14735 94.21
Hill 11710 71.27
Custer 11085 93.31
Fergus 10720 94.53
Jefferson 10660 93.39
Sanders 10170 90.16
Richland 10090 91.85
Carbon 9695 95.38
Stillwater 8705 94.47
Dawson 8635 93.20
Beaverhead 8460 93.22
Deer Lodge 8380 91.39
Madison 7305 95.74
Valley 6450 85.89
Powell 6315 90.67
Teton 5700 94.76
Rosebud 5485 58.92
Broadwater 5335 94.01
Pondera 4990 81.67
Toole 4520 88.45
Musselshell 4420 93.45
Chouteau 4395 75.97
Glacier 4305 31.96
Mineral 4120 97.52
Roosevelt 4055 36.71
Big Horn 3855 29.54
Phillips 3540 85.51
Sweet Grass 3410 94.59
Sheridan 3345 92.92
Blaine 3105 47.30
Granite 3035 96.97
Fallon 2920 95.58
Liberty 2265 96.18
Wheatland 2005 95.48
Judith Basin 1940 97.24
Meagher 1840 97.35
Daniels 1680 96.55
McCone 1635 94.78
Powder River 1600 93.84
Prairie 1305 95.96
Carter 1200 97.96
Garfield 1015 97.13
Wibaux 965 98.97
Treasure 725 89.51
Golden Valley 715 94.70
Petroleum 435 97.75