Montana Non-Hispanic White Alone Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the Non-Hispanic White Alone citizen population for Montana was 3,190,265 and represented 303.31% of the total Montana citizen population.

Among all Montana counties, Yellowstone had the highest Non-Hispanic White Alone citizen population (137.56K), followed by Missoula (105.54K), and Gallatin (101.04K).

In terms of percentages, Garfield had the highest percentage of its citizen population being Non-Hispanic White Alone (99.05%), followed by Liberty (98.37%), and Treasure (98.37%).

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 2020
Montana Non-Hispanic White Alone Citizen Population By County in 2020
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County Citizen Population % of County Citizen Population
Yellowstone 137555 86.48
Missoula 105535 89.82
Gallatin 101040 92.19
Flathead 94100 93.05
Cascade 69130 85.30
Lewis and Clark 62370 91.30
Ravalli 40180 92.97
Silver Bow 31235 90.34
Lake 19640 65.43
Lincoln 18280 93.41
Park 15300 93.52
Hill 11330 69.38
Jefferson 11125 92.82
Sanders 10565 90.11
Custer 10535 91.53
Fergus 10445 94.14
Carbon 10050 94.37
Richland 9835 89.86
Stillwater 8845 92.91
Beaverhead 8520 90.69
Deer Lodge 8210 90.67
Dawson 8130 92.54
Madison 7825 93.83
Valley 6280 84.69
Powell 6075 89.08
Broadwater 5705 94.77
Teton 5700 93.37
Rosebud 4930 54.99
Pondera 4765 81.38
Chouteau 4410 77.44
Musselshell 4220 91.34
Toole 4175 87.25
Glacier 4105 30.36
Mineral 3955 91.55
Roosevelt 3735 33.91
Big Horn 3530 26.63
Sweet Grass 3400 92.90
Phillips 3315 83.40
Granite 3120 94.40
Sheridan 3020 90.28
Blaine 2970 44.46
Fallon 2770 94.70
Liberty 2415 98.37
Wheatland 2015 94.60
Judith Basin 1825 93.35
McCone 1635 90.08
Meagher 1620 92.31
Daniels 1600 94.40
Powder River 1480 91.93
Carter 1270 97.32
Prairie 1110 98.23
Garfield 1040 99.05
Wibaux 945 91.75
Golden Valley 690 84.66
Treasure 605 98.37
Petroleum 450 96.77