| Rank | City | 2015 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Billings | 108,869 | 1.1% |
| 2 | Missoula | 69,821 | 1.1% |
| 3 | Great Falls | 59,152 | 0.3% |
| 4 | Bozeman | 41,660 | 2.8% |
| 5 | Butte-Silver Bow | 33,980 | 0.3% |
| 6 | Helena | 29,943 | 1.5% |
| 7 | Kalispell | 21,518 | 1.9% |
| 8 | Havre | 9,792 | 1.3% |
| 9 | Anaconda-Deer Lodge County | 9,150 | -0.4% |
| 10 | Miles City | 8,758 | 1.0% |
| 11 | Belgrade | 7,798 | 1.4% |
| 12 | Livingston | 7,245 | 0.7% |
| 13 | Laurel | 6,936 | 0.8% |
| 14 | Whitefish | 6,864 | 1.9% |
| 15 | Sidney | 6,473 | 5.7% |
| 16 | Lewistown | 5,867 | -0.1% |
| 17 | Glendive | 5,399 | 2.3% |
| 18 | Columbia Falls | 4,922 | 1.2% |
| 19 | Polson | 4,607 | 0.7% |
| 20 | Hamilton | 4,594 | 1.4% |
| 21 | Dillon | 4,223 | 0.5% |
| 22 | Hardin | 3,796 | 2.0% |
| 23 | Glasgow | 3,380 | 1.0% |
| 24 | Shelby | 3,301 | -0.6% |
| 25 | Deer Lodge | 3,017 | -0.8% |
| 26 | Cut Bank | 2,996 | 1.1% |
| 27 | Wolf Point | 2,835 | 2.0% |
| 28 | Libby | 2,656 | 0.3% |
| 29 | Conrad | 2,604 | 0.3% |
| 30 | Colstrip | 2,316 | 1.1% |
| 31 | Red Lodge | 2,215 | 1.0% |
| 32 | East Helena | 2,060 | 0.9% |
| 33 | Columbus | 1,996 | 1.3% |
| 34 | Malta | 1,970 | -0.3% |
| 35 | Townsend | 1,942 | 0.8% |
| 36 | Ronan | 1,930 | 0.8% |
| 37 | Plentywood | 1,918 | 2.6% |
| 38 | Baker | 1,911 | 2.4% |
| 39 | Stevensville | 1,907 | 1.3% |
| 40 | Three Forks | 1,903 | 0.5% |
| 41 | Forsyth | 1,874 | 1.3% |
| 42 | Roundup | 1,839 | 0.7% |
| 43 | Choteau | 1,698 | 0.2% |
| 44 | Big Timber | 1,650 | 0.1% |
| 45 | Manhattan | 1,571 | 0.8% |
| 46 | Fort Benton | 1,490 | 0.4% |
| 47 | Thompson Falls | 1,340 | 0.5% |
| 48 | West Yellowstone | 1,322 | 1.0% |
| 49 | Chinook | 1,230 | 0.6% |
| 50 | Boulder | 1,202 | 0.4% |
| 51 | Eureka | 1,082 | 1.1% |
| 52 | Whitehall | 1,079 | 1.0% |
| 53 | Plains | 1,068 | 0.5% |
| 54 | Scobey | 1,052 | 0.8% |
| 55 | Browning | 1,032 | 0.4% |
| 56 | Harlowton | 974 | -0.6% |
| 57 | Fairview | 964 | 3.5% |
| 58 | Troy | 941 | 0.1% |
| 59 | Pinesdale | 933 | 0.4% |
| 60 | White Sulphur Springs | 925 | -0.4% |
| 61 | Poplar | 876 | 2.0% |
| 62 | Ennis | 871 | 1.0% |
| 63 | Philipsburg | 869 | 1.5% |
| 64 | Chester | 860 | 0.4% |
| 65 | St. Ignatius | 852 | 0.3% |
| 66 | Superior | 848 | 1.1% |
| 67 | Harlem | 830 | 0.7% |
| 68 | Culbertson | 794 | 2.7% |
| 69 | Darby | 737 | 0.6% |
| 70 | Bridger | 732 | 0.8% |
| 71 | Fairfield | 724 | 0.6% |
| 72 | Cascade | 705 | 0.7% |
| 73 | Walkerville | 700 | 0.9% |
| 74 | Sheridan | 659 | 0.7% |
| 75 | Wibaux | 655 | 2.7% |
| 76 | Joliet | 649 | 2.2% |
| 77 | Circle | 609 | -0.2% |
| 78 | Big Sandy | 607 | 0.4% |
| 79 | Belt | 604 | 0.3% |
| 80 | Terry | 591 | -0.6% |
| 81 | Hot Springs | 551 | 0.3% |
| 82 | Valier | 511 | 0.1% |
| 83 | Broadus | 482 | 0.7% |
| 84 | Lodge Grass | 445 | 1.0% |
| 85 | Fromberg | 444 | 0.3% |
| 86 | Alberton | 423 | 0.2% |
| 87 | Stanford | 387 | -0.9% |
| 88 | Jordan | 386 | 3.0% |
| 89 | Twin Bridges | 386 | 0.7% |
| 90 | Sunburst | 367 | -0.5% |
| 91 | Ekalaka | 343 | 0.8% |
| 92 | Drummond | 334 | 2.0% |
| 93 | Dutton | 311 | -0.4% |
| 94 | Hysham | 302 | -0.8% |
| 95 | Bainville | 299 | 9.5% |
| 96 | Nashua | 296 | 0.5% |
| 97 | Clyde Park | 295 | 0.6% |
| 98 | Brockton | 277 | 2.1% |
| 99 | Geraldine | 271 | 0.9% |
| 100 | Fort Peck | 250 | 1.8% |
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