88 cities
| City | Rank | Annual Change ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Kalispell | 1 | 4.82% | 32,803 | 25,267 |
| King Arthur Park | 2 | 4.8% | 2,357 | 1,933 |
| Townsend | 3 | 4.26% | 2,303 | 1,832 |
| Belgrade | 4 | 4.02% | 13,253 | 10,693 |
| Red Lodge | 5 | 3.83% | 2,789 | 2,273 |
| Whitefish | 6 | 3.72% | 9,600 | 7,877 |
| Four Corners | 7 | 3.42% | 6,252 | 4,859 |
| Libby | 8 | 3.37% | 3,344 | 2,797 |
| Roundup | 9 | 3.32% | 2,084 | 1,748 |
| East Helena | 10 | 3.22% | 2,311 | 1,948 |
| Hamilton | 11 | 3.05% | 5,547 | 4,725 |
| Eureka | 12 | 2.69% | 1,603 | 1,390 |
| Plains | 13 | 2.57% | 1,276 | 1,115 |
| Thompson Falls | 14 | 2.56% | 1,565 | 1,367 |
| Helena Valley Northwest | 15 | 2.55% | 5,558 | 4,256 |
| Stevensville | 16 | 2.46% | 2,291 | 2,015 |
| Whitehall | 17 | 2.42% | 1,143 | 1,008 |
| Corvallis | 18 | 2.39% | 1,501 | 1,755 |
| Ronan | 19 | 2.38% | 2,234 | 1,972 |
| Helena Valley Northeast | 20 | 2.36% | 4,558 | 3,519 |
| Marion | 21 | 2.2% | 1,302 | 1,041 |
| Dillon | 22 | 2.12% | 4,332 | 3,882 |
| Polson | 23 | 2.08% | 5,748 | 5,160 |
| Boulder | 24 | 1.92% | 1,330 | 1,205 |
| Helena | 25 | 1.78% | 35,347 | 32,255 |
| Bozeman | 26 | 1.74% | 58,901 | 53,865 |
| North Browning | 27 | 1.58% | 3,149 | 2,862 |
| Malmstrom AFB | 28 | 1.52% | 4,483 | 3,902 |
| Livingston | 29 | 1.49% | 9,155 | 8,483 |
| Big Sky | 30 | 1.48% | 2,954 | 3,054 |
| Crow Agency | 31 | 1.43% | 2,052 | 1,972 |
| Columbia Falls | 32 | 1.38% | 5,792 | 5,396 |
| Clancy | 33 | 1.24% | 2,047 | 1,964 |
| Columbus | 34 | 1.22% | 1,990 | 1,867 |
| Lolo | 35 | 1.22% | 4,743 | 4,064 |
| Missoula | 36 | 1.21% | 79,153 | 74,406 |
| Bigfork | 37 | 1.12% | 5,124 | 4,733 |
| Helena Valley Southeast | 38 | 1% | 9,661 | 8,546 |
| Fort Belknap Agency | 39 | 1% | 1,518 | 1,520 |
| Anaconda-Deer Lodge County | 40 | 0.99% | 9,908 | 9,423 |
| Lewistown | 41 | 0.93% | 6,262 | 5,971 |
| Choteau | 42 | 0.89% | 1,820 | 1,740 |
| Billings | 43 | 0.87% | 122,545 | 117,233 |
| Evergreen | 44 | 0.87% | 8,739 | 8,416 |
| Shelby | 45 | 0.86% | 3,301 | 3,161 |
| Conrad | 46 | 0.79% | 2,414 | 2,317 |
| Lockwood | 47 | 0.67% | 7,542 | 8,206 |
| Butte-Silver Bow | 48 | 0.64% | 35,706 | 34,573 |
| Big Timber | 49 | 0.59% | 1,691 | 1,638 |
| Park City | 50 | 0.39% | 1,032 | 1,090 |
| Helena Valley West Central | 51 | 0.33% | 8,287 | 8,042 |
| Helena Flats | 52 | 0.19% | 1,078 | 1,219 |
| Miles City | 53 | 0.18% | 8,422 | 8,346 |
| Orchard Homes | 54 | 0.11% | 5,282 | 5,480 |
| Laurel | 55 | 0.1% | 7,258 | 7,222 |
| Lame Deer | 56 | 0.05% | 2,067 | 2,288 |
| Malta | 57 | 0% | 1,853 | 1,850 |
| Montana City | 58 | 0% | 2,716 | 2,821 |
| Lincoln | 59 | -0.1% | 1,003 | 1,017 |
| Deer Lodge | 60 | -0.13% | 3,002 | 3,022 |
| West Glendive | 61 | -0.16% | 1,903 | 1,635 |
| Great Falls | 62 | -0.18% | 59,903 | 60,453 |
| Helena West Side | 63 | -0.19% | 1,580 | 1,656 |
| East Missoula | 64 | -0.19% | 2,092 | 2,214 |
| Manhattan | 65 | -0.24% | 2,063 | 2,087 |
| Glasgow | 66 | -0.25% | 3,161 | 3,199 |
| Lakeside | 67 | -0.31% | 2,538 | 2,245 |
| Seeley Lake | 68 | -0.32% | 1,573 | 1,512 |
| Havre | 69 | -0.33% | 9,174 | 9,324 |
| Chinook | 70 | -0.34% | 1,158 | 1,178 |
| Colstrip | 71 | -0.39% | 2,055 | 2,092 |
| Baker | 72 | -0.4% | 1,760 | 1,792 |
| Forsyth | 73 | -0.43% | 1,636 | 1,668 |
| Three Forks | 74 | -0.51% | 1,935 | 1,983 |
| Glendive | 75 | -0.57% | 4,733 | 4,866 |
| Cut Bank | 76 | -0.57% | 2,971 | 3,054 |
| Somers | 77 | -0.59% | 1,019 | 1,079 |
| Hardin | 78 | -0.59% | 3,697 | 3,806 |
| Fort Benton | 79 | -0.63% | 1,413 | 1,456 |
| South Browning | 80 | -0.67% | 1,621 | 1,742 |
| Plentywood | 81 | -0.68% | 1,615 | 1,668 |
| Sidney | 82 | -1.39% | 5,947 | 6,364 |
| Frenchtown | 83 | -1.44% | 1,506 | 1,741 |
| Wolf Point | 84 | -1.47% | 2,485 | 2,670 |
| West Yellowstone | 85 | -1.58% | 1,183 | 1,277 |
| 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 4.82% annualized growth, followed by King Arthur Park (4.8%) and Townsend (4.26%). The largest population centers are Billings (122,545), Missoula (79,153), and Great Falls (59,903). Of the 88 cities over 1,000 population, 58 are growing while 30 experienced population decline. Overall, cities averaged 0.92% annualized growth, with total urban population growing by 6.38% annually.