88 cities
| City | Rank | Change ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Kalispell | 1 | 5.24% | 33,194 | 24,924 |
| King Arthur Park | 2 | 4.8% | 2,357 | 1,933 |
| Belgrade | 3 | 4.62% | 13,721 | 10,691 |
| Townsend | 4 | 4.56% | 2,337 | 1,826 |
| Whitefish | 5 | 4.54% | 10,035 | 7,855 |
| Red Lodge | 6 | 4.19% | 2,838 | 2,267 |
| Libby | 7 | 3.82% | 3,421 | 2,791 |
| Roundup | 8 | 3.5% | 2,101 | 1,748 |
| Four Corners | 9 | 3.42% | 6,252 | 4,859 |
| Hamilton | 10 | 3.32% | 5,630 | 4,724 |
| Eureka | 11 | 3.04% | 1,629 | 1,388 |
| Ronan | 12 | 2.95% | 2,304 | 1,973 |
| Plains | 13 | 2.94% | 1,296 | 1,111 |
| Thompson Falls | 14 | 2.9% | 1,560 | 1,340 |
| East Helena | 15 | 2.86% | 2,264 | 1,948 |
| Stevensville | 16 | 2.81% | 2,338 | 2,018 |
| Polson | 17 | 2.57% | 5,909 | 5,168 |
| Helena Valley Northwest | 18 | 2.55% | 5,558 | 4,256 |
| Corvallis | 19 | 2.39% | 1,501 | 1,755 |
| Helena Valley Northeast | 20 | 2.36% | 4,558 | 3,519 |
| Dillon | 21 | 2.27% | 4,370 | 3,884 |
| Marion | 22 | 2.2% | 1,302 | 1,041 |
| Whitehall | 23 | 2.17% | 1,128 | 1,008 |
| Helena | 24 | 2.1% | 35,944 | 32,244 |
| Boulder | 25 | 1.99% | 1,334 | 1,206 |
| Bozeman | 26 | 1.98% | 59,614 | 53,841 |
| Columbia Falls | 27 | 1.89% | 5,943 | 5,392 |
| Livingston | 28 | 1.59% | 9,196 | 8,476 |
| North Browning | 29 | 1.58% | 3,149 | 2,862 |
| Malmstrom AFB | 30 | 1.52% | 4,483 | 3,902 |
| Big Sky | 31 | 1.48% | 2,954 | 3,054 |
| Crow Agency | 32 | 1.43% | 2,052 | 1,972 |
| Missoula | 33 | 1.42% | 79,996 | 74,398 |
| Conrad | 34 | 1.27% | 2,464 | 2,309 |
| Clancy | 35 | 1.24% | 2,047 | 1,964 |
| Lolo | 36 | 1.22% | 4,743 | 4,064 |
| Bigfork | 37 | 1.12% | 5,124 | 4,733 |
| Choteau | 38 | 1.05% | 1,824 | 1,731 |
| Butte-Silver Bow | 39 | 1.04% | 36,453 | 34,573 |
| Helena Valley Southeast | 40 | 1% | 9,661 | 8,546 |
| Shelby | 41 | 1% | 3,336 | 3,171 |
| Fort Belknap Agency | 42 | 1% | 1,518 | 1,520 |
| Billings | 43 | 0.99% | 123,290 | 117,224 |
| Lewistown | 44 | 0.95% | 6,267 | 5,971 |
| Big Timber | 45 | 0.88% | 1,715 | 1,642 |
| Evergreen | 46 | 0.87% | 8,739 | 8,416 |
| Anaconda-Deer Lodge County | 47 | 0.86% | 9,841 | 9,420 |
| Columbus | 48 | 0.68% | 1,931 | 1,868 |
| Lockwood | 49 | 0.67% | 7,542 | 8,206 |
| Park City | 50 | 0.39% | 1,032 | 1,090 |
| Helena Valley West Central | 51 | 0.33% | 8,287 | 8,042 |
| Miles City | 52 | 0.31% | 8,490 | 8,360 |
| Manhattan | 53 | 0.28% | 2,121 | 2,090 |
| Malta | 54 | 0.27% | 1,882 | 1,857 |
| Helena Flats | 55 | 0.19% | 1,078 | 1,219 |
| Orchard Homes | 56 | 0.11% | 5,282 | 5,480 |
| Baker | 57 | 0.11% | 1,804 | 1,794 |
| Deer Lodge | 58 | 0.07% | 3,033 | 3,025 |
| Three Forks | 59 | 0.05% | 1,988 | 1,982 |
| Lame Deer | 60 | 0.05% | 2,067 | 2,288 |
| Montana City | 61 | 0% | 2,716 | 2,821 |
| Great Falls | 62 | -0.01% | 60,406 | 60,446 |
| Havre | 63 | -0.02% | 9,326 | 9,336 |
| Lincoln | 64 | -0.1% | 1,003 | 1,017 |
| Laurel | 65 | -0.11% | 7,177 | 7,217 |
| West Glendive | 66 | -0.16% | 1,903 | 1,635 |
| Glasgow | 67 | -0.16% | 3,170 | 3,194 |
| Helena West Side | 68 | -0.19% | 1,580 | 1,656 |
| East Missoula | 69 | -0.19% | 2,092 | 2,214 |
| Lakeside | 70 | -0.31% | 2,538 | 2,245 |
| Seeley Lake | 71 | -0.32% | 1,573 | 1,512 |
| Plentywood | 72 | -0.43% | 1,633 | 1,668 |
| Cut Bank | 73 | -0.43% | 2,990 | 3,057 |
| Chinook | 74 | -0.43% | 1,149 | 1,176 |
| Glendive | 75 | -0.46% | 4,751 | 4,863 |
| Somers | 76 | -0.59% | 1,019 | 1,079 |
| Colstrip | 77 | -0.59% | 2,031 | 2,090 |
| South Browning | 78 | -0.67% | 1,621 | 1,742 |
| Forsyth | 79 | -0.69% | 1,594 | 1,649 |
| Fort Benton | 80 | -0.78% | 1,402 | 1,459 |
| Hardin | 81 | -0.9% | 3,643 | 3,807 |
| West Yellowstone | 82 | -1.33% | 1,189 | 1,271 |
| Sidney | 83 | -1.38% | 5,945 | 6,362 |
| Frenchtown | 84 | -1.44% | 1,506 | 1,741 |
| Wolf Point | 85 | -1.61% | 2,437 | 2,636 |
| Sun Prairie | 86 | -1.66% | 1,300 | 1,617 |
| Pablo | 87 | -2.21% | 1,685 | 2,032 |
| Bonner-West Riverside | 88 | -2.55% | 1,186 | 1,404 |
Montana's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Kalispell leads with 5.24% annualized growth, followed by King Arthur Park (4.8%) and Belgrade (4.62%). The largest population centers are Billings (123,290), Missoula (79,996), and Great Falls (60,406). Of the 88 cities over 1,000 population, 61 are growing while 27 experienced population decline. Overall, cities averaged 1.04% annualized growth, with total urban population growing by 7.42% annually.