Montana Immigrant or Foreign-Born Population By County in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the total immigrant or foreign-born population in Montana was 23.56K which was 2.19% of Montana's population. Among all Montana counties, Gallatin had the highest immigrant population (4.03K) and immigrants constituted 3.45% of its population, followed by Missoula (pop: 3.54K, perc: 3.01%), and then Yellowstone (pop: 3.12K, perc: 1.91%).
On the other hand, the counties with the least number of immigrant population were: Treasure (pop: 0, perc: 0.00%), Garfield (pop: 0, perc: 0.00%), and Carter (pop: 5, perc: 0.37%),
The chart and table below shows the immigrant or foreign-born population of each county and the percentage of each county's population that are immigrants.
You can see similar information for other states and by state for the United States.
| County | Immigrant Population | % of County Population |
|---|---|---|
| Beaverhead | 202 | 2.15 |
| Big Horn | 43 | 0.33 |
| Blaine | 43 | 0.61 |
| Broadwater | 88 | 1.33 |
| Carbon | 93 | 0.89 |
| Carter | 5 | 0.37 |
| Cascade | 1569 | 1.86 |
| Chouteau | 52 | 0.88 |
| Custer | 213 | 1.78 |
| Daniels | 26 | 1.50 |
| Dawson | 146 | 1.62 |
| Deer Lodge | 202 | 2.15 |
| Fallon | 20 | 0.65 |
| Fergus | 226 | 1.97 |
| Flathead | 2788 | 2.70 |
| Gallatin | 4027 | 3.45 |
| Garfield | 0 | 0.00 |
| Glacier | 179 | 1.30 |
| Golden Valley | 15 | 1.83 |
| Granite | 58 | 1.74 |
| Hill | 216 | 1.33 |
| Jefferson | 202 | 1.68 |
| Judith Basin | 21 | 1.05 |
| Lake | 753 | 2.43 |
| Lewis and Clark | 1034 | 1.47 |
| Liberty | 9 | 0.44 |
| Lincoln | 681 | 3.46 |
| McCone | 39 | 2.16 |
| Madison | 188 | 2.21 |
| Meagher | 65 | 3.36 |
| Mineral | 67 | 1.49 |
| Missoula | 3537 | 3.01 |
| Musselshell | 78 | 1.62 |
| Park | 452 | 2.65 |
| Petroleum | 12 | 2.77 |
| Phillips | 115 | 2.72 |
| Pondera | 152 | 2.54 |
| Powder River | 22 | 1.25 |
| Powell | 114 | 1.64 |
| Prairie | 74 | 6.03 |
| Ravalli | 841 | 1.92 |
| Richland | 368 | 3.24 |
| Roosevelt | 140 | 1.29 |
| Rosebud | 137 | 1.62 |
| Sanders | 181 | 1.47 |
| Sheridan | 76 | 2.16 |
| Silver Bow | 483 | 1.38 |
| Stillwater | 73 | 0.82 |
| Sweet Grass | 33 | 0.89 |
| Teton | 32 | 0.52 |
| Toole | 116 | 2.31 |
| Treasure | 0 | 0.00 |
| Valley | 71 | 0.94 |
| Wheatland | 25 | 1.20 |
| Wibaux | 38 | 3.73 |
| Yellowstone | 3121 | 1.91 |
