| Rank | City | 2003 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Billings | 94,037 | 1.1% |
| 2 | Missoula | 60,259 | 2.2% |
| 3 | Great Falls | 57,485 | 0.3% |
| 4 | Butte-Silver Bow | 32,664 | -1.7% |
| 5 | Bozeman | 30,018 | 3.4% |
| 6 | Helena | 26,567 | 0.4% |
| 7 | Kalispell | 16,080 | 2.9% |
| 8 | Havre | 9,400 | -1.0% |
| 9 | Anaconda-Deer Lodge County | 9,096 | -1.6% |
| 10 | Miles City | 8,278 | -1.2% |
| 11 | Livingston | 7,081 | 0.1% |
| 12 | Belgrade | 6,742 | 6.6% |
| 13 | Laurel | 6,339 | 0.3% |
| 14 | Whitefish | 6,212 | 3.5% |
| 15 | Lewistown | 6,130 | -1.4% |
| 16 | Sidney | 4,828 | -2.2% |
| 17 | Glendive | 4,682 | -1.9% |
| 18 | Polson | 4,354 | 1.9% |
| 19 | Dillon | 4,126 | -1.6% |
| 20 | Hamilton | 4,077 | 2.2% |
| 21 | Columbia Falls | 4,074 | 2.0% |
| 22 | Hardin | 3,428 | 0.3% |
| 23 | Shelby | 3,304 | 1.2% |
| 24 | Deer Lodge | 3,295 | -1.8% |
| 25 | Glasgow | 3,124 | -1.8% |
| 26 | Cut Bank | 3,076 | -0.3% |
| 27 | Libby | 2,817 | -1.2% |
| 28 | Conrad | 2,671 | -1.1% |
| 29 | Wolf Point | 2,602 | -1.2% |
| 30 | Colstrip | 2,320 | -0.6% |
| 31 | Red Lodge | 2,245 | 1.4% |
| 32 | Malta | 1,978 | -2.8% |
| 33 | Plentywood | 1,902 | -3.6% |
| 34 | Roundup | 1,880 | -1.3% |
| 35 | Ronan | 1,876 | 1.4% |
| 36 | Forsyth | 1,875 | -1.1% |
| 37 | Columbus | 1,875 | 2.0% |
| 38 | Townsend | 1,866 | 0.1% |
| 39 | Three Forks | 1,829 | 1.6% |
| 40 | Stevensville | 1,767 | 4.2% |
| 41 | Choteau | 1,752 | -0.8% |
| 42 | Big Timber | 1,695 | 0.7% |
| 43 | East Helena | 1,652 | -0.2% |
| 44 | Baker | 1,613 | -2.2% |
| 45 | Fort Benton | 1,502 | -3.0% |
| 46 | Manhattan | 1,497 | 1.2% |
| 47 | Chinook | 1,341 | -1.4% |
| 48 | Thompson Falls | 1,340 | 0.6% |
| 49 | Boulder | 1,325 | 0.8% |
| 50 | West Yellowstone | 1,218 | 1.5% |
| 51 | Plains | 1,143 | 0.5% |
| 52 | Whitehall | 1,068 | 0.9% |
| 53 | Browning | 1,059 | -0.1% |
| 54 | Scobey | 1,028 | -2.4% |
| 55 | Harlowton | 1,019 | -2.1% |
| 56 | Eureka | 992 | -1.1% |
| 57 | White Sulphur Springs | 972 | -0.6% |
| 58 | Troy | 944 | -0.9% |
| 59 | Philipsburg | 927 | 0.5% |
| 60 | Poplar | 891 | -1.0% |
| 61 | Superior | 865 | -1.6% |
| 62 | Ennis | 865 | 0.1% |
| 63 | Harlem | 824 | -1.2% |
| 64 | Chester | 813 | -3.3% |
| 65 | Cascade | 804 | -0.5% |
| 66 | St. Ignatius | 787 | -0.2% |
| 67 | Pinesdale | 780 | 2.3% |
| 68 | Bridger | 746 | 0.1% |
| 69 | Darby | 744 | 2.0% |
| 70 | Culbertson | 702 | -1.0% |
| 71 | Walkerville | 687 | -1.8% |
| 72 | Fairfield | 681 | -1.2% |
| 73 | Fairview | 675 | -2.2% |
| 74 | Sheridan | 662 | 0.1% |
| 75 | Big Sandy | 659 | -3.2% |
| 76 | Belt | 621 | -0.6% |
| 77 | Terry | 596 | -0.7% |
| 78 | Circle | 591 | -3.9% |
| 79 | Joliet | 576 | 0.1% |
| 80 | Hot Springs | 547 | – |
| 81 | Lodge Grass | 536 | 0.5% |
| 82 | Wibaux | 529 | -3.6% |
| 83 | Broadus | 495 | -0.9% |
| 84 | Fromberg | 490 | 0.4% |
| 85 | Valier | 482 | -1.2% |
| 86 | Stanford | 435 | -2.1% |
| 87 | Twin Bridges | 402 | 0.1% |
| 88 | Ekalaka | 401 | -0.6% |
| 89 | Sunburst | 400 | -1.7% |
| 90 | Dutton | 379 | -1.2% |
| 91 | Alberton | 374 | -0.4% |
| 92 | Jordan | 355 | -0.8% |
| 93 | Drummond | 322 | 0.5% |
| 94 | Nashua | 313 | -1.7% |
| 95 | Clyde Park | 310 | -0.2% |
| 96 | Hysham | 293 | -5.3% |
| 97 | Denton | 291 | -1.7% |
| 98 | Ryegate | 272 | 1.9% |
| 99 | Geraldine | 266 | -3.2% |
| 100 | Medicine Lake | 247 | -3.8% |
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