Montana Citizen Population By County in 2022 (ACS-5Yrs)

Updated on August 29, 2024.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2022, the citizen population for Montana was 1,080,730 and represented 98.98% of the total Montana population.

Among all Montana counties, Yellowstone had the highest citizen population (164.12K), followed by Gallatin (117.43K), and Missoula (116.75K).

In terms of percentages, Carter had the highest percentage of its population being citizens (100.00%), followed by Garfield (100.00%), and Golden Valley (100.00%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

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

Montana Citizen Population By County in 2022
Montana Citizen Population By County in 2022
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County Citizen Population % of County Population
Yellowstone 164115 99.15
Gallatin 117425 98.11
Missoula 116750 98.49
Flathead 104720 98.84
Cascade 84090 99.60
Lewis and Clark 70905 99.19
Ravalli 44590 99.37
Silver Bow 35060 99.31
Lake 31090 98.67
Lincoln 19820 98.34
Park 17195 99.28
Hill 16160 99.51
Glacier 13705 99.46
Big Horn 13055 99.73
Sanders 12570 99.64
Jefferson 12160 99.06
Custer 11890 99.46
Fergus 11485 99.91
Richland 11075 97.45
Roosevelt 10755 99.58
Carbon 10555 99.16
Beaverhead 9390 99.16
Deer Lodge 9335 98.94
Stillwater 8955 99.72
Dawson 8865 99.44
Madison 8620 98.63
Rosebud 8210 98.80
Valley 7525 99.67
Blaine 6995 99.50
Powell 6970 99.57
Broadwater 6920 99.21
Teton 6225 99.76
Pondera 5930 99.08
Chouteau 5870 99.58
Toole 4935 98.31
Musselshell 4855 98.58
Mineral 4625 99.46
Phillips 4160 98.23
Sweet Grass 3690 99.87
Sheridan 3665 99.05
Granite 3305 98.07
Fallon 2935 99.83
Wheatland 2060 100.00
Judith Basin 2010 98.53
Liberty 1995 100.00
Meagher 1930 98.97
McCone 1745 100.00
Powder River 1745 98.31
Daniels 1520 99.02
Carter 1330 100.00
Prairie 1225 95.33
Wibaux 1120 100.00
Garfield 975 100.00
Golden Valley 840 100.00
Treasure 670 98.53
Petroleum 415 100.00