Largest Cities In Montana (2013).[1] Rank | City/Town | Population | County | 1 | Billings | 108,869 | Yellowstone | 2 | Missoula | 69,821 | Missoula | 3 | Great Falls | 59,152 | Cascade | 4 | Bozeman | 41,660 | Gallatin | 5 | Butte | 33,980 | Silver Bow | 6 | Helena | 29,943 | Lewis and Clark | 7 | Kalispell | 21,518 | Flathead | 8 | Havre | 9,792 | Hill | 9 | Anaconda | 9,150 | Deer Lodge | 10 | Miles City | 8,758 | Custer | 11 | Belgrade | 7,798 | Gallatin | 12 | Livingston | 7,245 | Park | 13 | Laurel | 6,936 | Yellowstone | 14 | Whitefish | 6,864 | Flathead | 15 | Sidney | 6,473 | Richland | 16 | Lewistown | 5,867 | Fergus | 17 | Glendive | 5,399 | Dawson | 18 | Columbia Falls | 4,922 | Flathead | 19 | Polson | 4,607 | Lake | 20 | Hamilton | 4,594 | Ravalli | 21 | Dillon | 4,223 | Beaverhead | 22 | Hardin | 3,796 | Big Horn | 23 | Shelby | 3,301 | Toole | 24 | Glasgow | 3,380 | Valley | 25 | Deer Lodge | 3,017 | Powell | 26 | Cut Bank | 2,996 | Glacier | 27 | Libby | 2,656 | Lincoln | 28 | Wolf Point | 2,835 | Roosevelt | 29 | Conrad | 2,604 | Pondera | 30 | Colstrip | 2,316 | Rosebud | 31 | Red Lodge | 2,215 | Carbon | 33 | Malta | 1,970 | Phillips | 32 | East Helena | 2,060 | Lewis and Clark | 34 | Columbus | 1,996 | Stillwater | 35 | Townsend | 1,942 | Broadwater | 36 | Ronan | 1,930 | Lake | 37 | Three Forks | 1,903 | Gallatin | 38 | Stevensville | 1,907 | Ravalli | 40 | Roundup | 1,839 | Musselshell | 39 | Forsyth | 1,874 | Rosebud | 42 | Baker | 1,911 | Fallon | 43 | Big Timber | 1,650 | Sweet Grass | 44 | Choteau | 1,698 | Teton | 45 | Manhattan | 1,571 | Gallatin | 41 | Plentywood | 1,918 | Sheridan | 46 | Fort Benton | 1,490 | Chouteau | 47 | Thompson Falls | 1,340 | Sanders | 48 | West Yellowstone | 1,322 | Gallatin | 49 | Chinook | 1,230 | Blaine | 50 | Boulder | 1,202 | Jefferson | 51 | Plains | 1,068 | Sanders | 52 | Whitehall | 1,079 | Jefferson | 53 | Eureka | 1,082 | Lincoln | 54 | Scobey | 1,052 | Daniels | 55 | Browning | 1,032 | Glacier | 56 | Harlowton | 974 | Wheatland | 57 | White Sulphur Springs | 925 | Meagher | 58 | Troy | 941 | Lincoln | 59 | Pinesdale | 933 | Ravalli | 60 | Chester | 860 | Liberty | 61 | St. Ignatius | 852 | Lake | 62 | Fairview | 964 | Richland | 63 | Ennis | 871 | Madison | 64 | Philipsburg | 869 | Granite | 65 | Superior | 848 | Mineral | 66 | Poplar | 876 | Roosevelt | 67 | Harlem | 830 | Blaine | 68 | Darby | 737 | Ravalli | 69 | Culbertson | 794 | Roosevelt | 70 | Bridger | 732 | Carbon | 71 | Fairfield | 724 | Teton | 72 | Cascade | 705 | Cascade | 73 | Walkerville | 700 | Silver Bow | 74 | Sheridan | 659 | Madison | 75 | Circle | 609 | McCone | 76 | Terry | 591 | Prairie | 77 | Big Sandy | 607 | Chouteau | 78 | Belt | 604 | Cascade | 79 | Joliet | 649 | Carbon | 80 | Wibaux | 655 | Wibaux | 81 | Hot Springs | 551 | Sanders | 82 | Geyser | 527 | Judith Basin | 83 | Valier | 509 | Pondera | 84 | Broadus | 480 | Powder River | 85 | Fromberg | 435 | Carbon | 86 | Lodge Grass | 436 | Big Horn | 87 | Alberton | 416 | Mineral | 88 | Stanford | 394 | Judith Basin | 89 | Sunburst | 376 | Toole | 90 | Twin Bridges | 382 | Madison | 91 | Jordan | 376 | Garfield | 92 | Ekalaka | 345 | Carter | 93 | Dutton | 313 | Teton | 94 | Hysham | 321 | Treasure | 95 | Drummond | 327 | Granite | 96 | Nashua | 293 | Valley | 97 | Clyde Park | 291 | Park | 98 | Geraldine | 270 | Chouteau | 99 | Brockton | 266 | Roosevelt | 100 | Denton | 250 | Fergus | 101 | Ryegate | 238 | Golden Valley | 102 | Fort Peck | 244 | Valley | 103 | Medicine Lake | 237 | Sheridan | 104 | Lima | 227 | Beaverhead | 105 | Hobson | 215 | Judith Basin | 106 | Bainville | 208 | Roosevelt | 107 | Winifred | 208 | Fergus | 108 | Saco | 197 | Phillips | 109 | Moore | 193 | Fergus | 110 | Broadview | 192 | Yellowstone | 111 | Virginia City | 190 | Madison | 112 | Lavina | 187 | Golden Valley | 113 | Froid | 185 | Roosevelt | 114 | Winnett | 182 | Petroleum | 115 | Richey | 177 | Dawson | 116 | Westby | 168 | Sheridan | 117 | Plevna | 162 | Fallon | 118 | Kevin | 154 | Toole | 119 | Judith Gap | 126 | Wheatland | 120 | Dodson | 124 | Phillips | 121 | Hingham | 118 | Hill | 122 | Grass Range | 110 | Fergus | 123 | Rexford | 105 | Lincoln | 124 | Melstone | 96 | Musselshell | 125 | Opheim | 85 | Valley | 126 | Bearcreek | 79 | Carbon | 127 | Flaxville | 71 | Daniels | 128 | Neihart | 51 | Cascade | 129 | Outlook | 47 | Sheridan | 130 | Ismay | 19 | Custer | County Seats State Capital |