Montana Male and Female Gender Population By County in 2021 (ACS-5Yrs)
Updated on February 28, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the Montana population consisted of 545.67K males and 532.31K females.
Male Population: Yellowstone had the highest male population (81.05K), followed by Gallatin (60.72K), and Missoula (58.95K).
Female Population: Yellowstone had the highest female population (82.54K), followed by Gallatin (56.00K), and Missoula (58.43K).
The charts and table below shows the male and female population for each county.
You can see similar information for other states and by state for the United States.
Related Topics: Montana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Montana Male Population By County in 2021
Montana Female Population By County in 2021
Montana Male and Female Population By County in 2021
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| County | Male Population | Female Population |
|---|---|---|
| Beaverhead | 4665 | 4726 |
| Big Horn | 6497 | 6701 |
| Blaine | 3521 | 3530 |
| Broadwater | 3486 | 3155 |
| Carbon | 5385 | 5103 |
| Carter | 711 | 638 |
| Cascade | 42792 | 41386 |
| Chouteau | 2985 | 2911 |
| Custer | 5995 | 5973 |
| Daniels | 891 | 848 |
| Dawson | 4785 | 4218 |
| Deer Lodge | 4968 | 4412 |
| Fallon | 1494 | 1580 |
| Fergus | 6018 | 5446 |
| Flathead | 51796 | 51604 |
| Gallatin | 60723 | 56002 |
| Garfield | 494 | 478 |
| Glacier | 6885 | 6942 |
| Golden Valley | 409 | 411 |
| Granite | 1696 | 1637 |
| Hill | 8223 | 8074 |
| Jefferson | 6155 | 5902 |
| Judith Basin | 1139 | 865 |
| Lake | 15428 | 15602 |
| Lewis and Clark | 35049 | 35291 |
| Liberty | 884 | 1142 |
| Lincoln | 9850 | 9824 |
| McCone | 961 | 844 |
| Madison | 4417 | 4082 |
| Meagher | 1071 | 861 |
| Mineral | 2348 | 2142 |
| Missoula | 58948 | 58431 |
| Musselshell | 2447 | 2366 |
| Park | 8602 | 8470 |
| Petroleum | 225 | 209 |
| Phillips | 2156 | 2077 |
| Pondera | 3000 | 2974 |
| Powder River | 847 | 912 |
| Powell | 4372 | 2583 |
| Prairie | 642 | 585 |
| Ravalli | 21949 | 21841 |
| Richland | 5690 | 5685 |
| Roosevelt | 5443 | 5441 |
| Rosebud | 4317 | 4147 |
| Sanders | 6384 | 5914 |
| Sheridan | 1826 | 1696 |
| Silver Bow | 18018 | 16999 |
| Stillwater | 4523 | 4393 |
| Sweet Grass | 1911 | 1779 |
| Teton | 3043 | 3130 |
| Toole | 2837 | 2176 |
| Treasure | 365 | 328 |
| Valley | 3923 | 3630 |
| Wheatland | 941 | 1141 |
| Wibaux | 489 | 529 |
| Yellowstone | 81052 | 82541 |