Montana Hispanic or Latino Population By County in 2018

Updated on June 17, 2025.

Based on the US Census Vintage data estimates, in 2018, there were 42,313 hispanics or latinos (of all racial backgrounds) in Montana and they represented 3.99% of the total population of Montana in 2018.

Yellowstone County had the highest number of hispanics or latinos (9,522), followed by Gallatin County (4,455), and Missoula County (4,003). On the other hand, Petroleum County had the lowest number of hispanics or latinos (11), followed by Garfield County (11), and Carter County (16).

When it comes to the ratio of hispanic to non-hispanic population, Big Horn County had the highest percentage (5.98%), followed by Yellowstone County (5.95%), and Richland County (5.42%).

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

Hover over or click on the counties to see the number and percentage of each county's hispanic or latino population. The data can also be filtered, sorted, and explored further in a table below.

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Montana Hispanic or Latino Population By County in 2018
Montana Hispanic or Latino Population By County in 2018
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County Population % of County Population
Beaverhead 465 4.94
Big Horn 796 5.98
Blaine 229 3.39
Broadwater 169 2.8
Carbon 272 2.55
Carter 16 1.31
Cascade 3862 4.72
Chouteau 168 2.92
Custer 409 3.53
Daniels 62 3.63
Dawson 253 2.91
Deer Lodge 329 3.59
Fallon 52 1.78
Fergus 248 2.24
Flathead 3048 2.99
Gallatin 4455 3.98
Garfield 11 0.87
Glacier 475 3.44
Golden Valley 35 4.24
Granite 75 2.24
Hill 626 3.83
Jefferson 317 2.62
Judith Basin 38 1.95
Lake 1331 4.39
Lewis and Clark 2427 3.53
Liberty 20 0.82
Lincoln 637 3.21
McCone 31 1.87
Madison 366 4.26
Meagher 44 2.38
Mineral 125 2.9
Missoula 4003 3.37
Musselshell 158 3.42
Park 494 2.97
Petroleum 11 2.13
Phillips 123 3.04
Pondera 120 2.02
Powder River 37 2.14
Powell 198 2.86
Prairie 40 3.79
Ravalli 1541 3.55
Richland 594 5.42
Roosevelt 384 3.46
Rosebud 417 4.61
Sanders 383 3.26
Sheridan 116 3.43
Silver Bow 1647 4.74
Stillwater 379 3.99
Sweet Grass 95 2.57
Teton 91 1.49
Toole 212 4.39
Treasure 28 4.2
Valley 197 2.66
Wheatland 93 4.3
Wibaux 39 3.79
Yellowstone 9522 5.95