List of cities in Montana by population
This list shows the largest cities in Montana . The cities and urban districts are sorted according to the 2017 estimate. For orientation purposes, the censuses from 2010 and 2000 as well as the numbers for the entire state are also given.
| Surname | status | 2017 (estimate) | 2010 (census) | 2000 (census) |
| Montana | State | 1,050,493 | 989.415 | 902.195 |
| Billings | city | 109,642 | 104,302 | 89,847 |
| Missoula | city | 73,340 | 66,878 | 57,053 |
| Great Falls | city | 58,876 | 59,100 | 56,690 |
| Bozeman | city | 46,596 | 37.286 | 27,509 |
| Butte | Urban district | 33.901 | 33.505 | 33,892 |
| Helena | city | 31,429 | 28,241 | 25,780 |
| Kalispell | city | 23,212 | 20,052 | 14,223 |
| Havre | city | 9,784 | 9,497 | 9,621 |
| Anaconda-Deer Lodge | Urban district | 9.106 | 9,292 | 9,417 |
| Belgrade | city | 8,556 | 7,462 | 5,728 |
| Miles City | city | 8,483 | 8,398 | 8,487 |
| Whitefish | city | 7,608 | 6,395 | 5,032 |
| Livingston | city | 7,529 | 7,018 | 6,851 |
| Laurel | city | 6,255 | ||
| Lewistown | city | 5,813 | ||
| Sidney | city | 4,774 | ||
| Glendive | city | 4,729 | ||
| Polson | city | 4,041 | ||
| Dillon | city | 3,752 | ||
| Hamilton | city | 3,705 | ||
| Columbia Falls | city | 3,645 | ||
| Deer Lodge | city | 3,421 | ||
| Hardin | city | 3,384 | ||
| Glasgow | city | 3,253 | ||
| Shelby | city | 3.216 | ||
| Cut bench | city | 3,105 |