| Rank | City | 2017 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Billings | 110,323 | 1.0% |
| 2 | Missoula | 72,364 | 1.3% |
| 3 | Great Falls | 59,178 | 0.2% |
| 4 | Bozeman | 45,250 | 3.3% |
| 5 | Butte-Silver Bow | 33,853 | 0.2% |
| 6 | Helena | 31,169 | 1.7% |
| 7 | Kalispell | 22,761 | 2.2% |
| 8 | Havre | 9,846 | 0.9% |
| 9 | Anaconda-Deer Lodge County | 9,085 | -0.4% |
| 10 | Miles City | 8,647 | 0.5% |
| 11 | Belgrade | 8,254 | 1.9% |
| 12 | Livingston | 7,401 | 0.8% |
| 13 | Whitefish | 7,279 | 2.3% |
| 14 | Laurel | 6,865 | 0.4% |
| 15 | Sidney | 6,566 | 4.0% |
| 16 | Lewistown | 5,870 | -0.1% |
| 17 | Glendive | 5,332 | 1.3% |
| 18 | Columbia Falls | 5,241 | 1.9% |
| 19 | Polson | 4,777 | 1.0% |
| 20 | Hamilton | 4,674 | 1.2% |
| 21 | Dillon | 4,257 | 0.5% |
| 22 | Hardin | 3,829 | 1.5% |
| 23 | Glasgow | 3,364 | 0.6% |
| 24 | Shelby | 3,216 | -0.8% |
| 25 | Cut Bank | 3,012 | 0.8% |
| 26 | Deer Lodge | 2,994 | -0.6% |
| 27 | Wolf Point | 2,806 | 1.1% |
| 28 | Libby | 2,678 | 0.3% |
| 29 | Conrad | 2,550 | -0.1% |
| 30 | Colstrip | 2,311 | 0.7% |
| 31 | Red Lodge | 2,237 | 0.9% |
| 32 | East Helena | 2,074 | 0.7% |
| 33 | Columbus | 2,028 | 1.2% |
| 34 | Ronan | 2,016 | 1.3% |
| 35 | Baker | 1,990 | 2.3% |
| 36 | Townsend | 1,978 | 0.9% |
| 37 | Stevensville | 1,963 | 1.4% |
| 38 | Malta | 1,950 | -0.4% |
| 39 | Three Forks | 1,944 | 0.7% |
| 40 | Plentywood | 1,904 | 1.6% |
| 41 | Forsyth | 1,869 | 0.8% |
| 42 | Roundup | 1,840 | 0.5% |
| 43 | Manhattan | 1,691 | 1.8% |
| 44 | Choteau | 1,686 | 0.0% |
| 45 | Big Timber | 1,645 | 0.0% |
| 46 | Fort Benton | 1,456 | -0.1% |
| 47 | Thompson Falls | 1,356 | 0.5% |
| 48 | West Yellowstone | 1,353 | 1.0% |
| 49 | Chinook | 1,233 | 0.4% |
| 50 | Boulder | 1,230 | 0.7% |
| 51 | Whitehall | 1,114 | 1.2% |
| 52 | Eureka | 1,086 | 0.8% |
| 53 | Plains | 1,071 | 0.4% |
| 54 | Scobey | 1,032 | 0.2% |
| 55 | Browning | 1,031 | 0.2% |
| 56 | Harlowton | 984 | -0.2% |
| 57 | Pinesdale | 967 | 0.9% |
| 58 | Fairview | 922 | 1.6% |
| 59 | Philipsburg | 920 | 1.9% |
| 60 | White Sulphur Springs | 908 | -0.6% |
| 61 | Ennis | 890 | 1.0% |
| 62 | Troy | 890 | -0.9% |
| 63 | Chester | 884 | 0.7% |
| 64 | Poplar | 854 | 0.9% |
| 65 | Superior | 826 | 0.3% |
| 66 | St. Ignatius | 824 | -0.4% |
| 67 | Harlem | 823 | 0.3% |
| 68 | Culbertson | 804 | 2.0% |
| 69 | Darby | 763 | 1.0% |
| 70 | Bridger | 732 | 0.6% |
| 71 | Fairfield | 726 | 0.4% |
| 72 | Walkerville | 700 | 0.6% |
| 73 | Cascade | 688 | 0.1% |
| 74 | Sheridan | 677 | 0.9% |
| 75 | Wibaux | 649 | 1.6% |
| 76 | Joliet | 640 | 1.2% |
| 77 | Circle | 619 | 0.1% |
| 78 | Terry | 609 | 0.1% |
| 79 | Big Sandy | 590 | -0.2% |
| 80 | Belt | 588 | -0.3% |
| 81 | Hot Springs | 557 | 0.4% |
| 82 | Valier | 498 | -0.4% |
| 83 | Broadus | 481 | 0.5% |
| 84 | Lodge Grass | 446 | 0.7% |
| 85 | Fromberg | 445 | 0.3% |
| 86 | Alberton | 417 | -0.1% |
| 87 | Jordan | 399 | 2.6% |
| 88 | Twin Bridges | 395 | 0.9% |
| 89 | Stanford | 384 | -0.7% |
| 90 | Ekalaka | 353 | 1.0% |
| 91 | Drummond | 348 | 2.0% |
| 92 | Sunburst | 338 | -1.7% |
| 93 | Bainville | 314 | 7.1% |
| 94 | Clyde Park | 309 | 1.2% |
| 95 | Dutton | 308 | -0.4% |
| 96 | Hysham | 301 | -0.6% |
| 97 | Nashua | 290 | – |
| 98 | Geraldine | 261 | – |
| 99 | Denton | 247 | -0.5% |
| 100 | Fort Peck | 247 | 1.0% |
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