Montana Hispanic or Latino of All Races Citizen Voting-age Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the Hispanic or Latino of All Races citizen voting-age population for Montana was 81,915 and represented 9.80% of the total Montana citizen voting-age population.

Among all Montana counties, Yellowstone had the highest Hispanic or Latino of All Races citizen voting-age population (5.39K), followed by Gallatin (2.96K), and Missoula (2.85K).

In terms of percentages, Big Horn had the highest percentage of its citizen voting-age population being Hispanic or Latino of All Races (5.23%), followed by Rosebud (4.90%), and Golden Valley (4.38%).

The chart and table below shows the Hispanic or Latino of All Races citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Hispanic or Latino of All Races.

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 Hispanic or Latino of All Races Citizen Voting-age Population By County in 2021
Montana Hispanic or Latino of All Races Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Yellowstone 5390 4.36
Gallatin 2960 3.23
Missoula 2845 3.03
Cascade 2595 4.02
Flathead 2105 2.64
Lewis and Clark 1525 2.78
Ravalli 1085 3.08
Silver Bow 1070 3.89
Lake 690 2.95
Big Horn 455 5.23
Lincoln 415 2.62
Park 380 2.72
Glacier 375 3.91
Custer 355 3.74
Beaverhead 310 4.06
Hill 305 2.63
Rosebud 295 4.90
Deer Lodge 285 3.57
Sanders 275 2.74
Dawson 255 3.61
Madison 255 3.60
Stillwater 255 3.66
Richland 235 2.84
Carbon 200 2.33
Jefferson 190 2.00
Blaine 175 3.58
Broadwater 170 3.21
Roosevelt 130 1.83
Musselshell 125 3.26
Powell 120 2.04
Sheridan 110 3.99
Toole 105 2.65
Fergus 100 1.10
Phillips 95 3.01
Sweet Grass 75 2.56
Valley 75 1.30
Pondera 70 1.57
Mineral 35 0.97
Powder River 35 2.54
Fallon 30 1.31
Golden Valley 30 4.38
Meagher 30 1.91
Wibaux 30 4.03
McCone 25 1.74
Wheatland 25 1.52
Chouteau 20 0.44
Judith Basin 20 1.32
Teton 20 0.43
Daniels 15 1.10
Granite 15 0.56
Liberty 15 1.00
Treasure 15 2.61
Carter 4 0.36
Prairie 4 0.44
Garfield 0 0.00
Petroleum 0 0.00