Montana is the fourth-biggest state by physical size and has the eighth smallest population. Montana is divided into 56 counties and contains 129 incorporated municipalities, which consist of cities and towns. The largest city is Billings with an estimated population of 117,116 and the smallest city is Hobson with a population of 179. The fastest-growing town by percentage is Outlook by +78.7% between 2010 and 2020, however, Stevensville grew the most by population, with an increase of 1,809.
The largest Town in Montana is Manhattan. Manhattan is a town in Gallatin County, part of the ‘Bozeman Micropolitan Statistical Area’. The estimated population is 2,086, measuring up at around 1.93 square miles. In 1865, the town was called Hamilton, it later changed in 1883 when they named it Moreland after the Moreland Irrigation Canal. Eventually, it was changed to Manhattan after a malting company in the rise of the barley empire.
The second largest town in Montana is Stevensville. Stevensville is a town in Ravalli County, Stevensville is officially recognized as the first permanent settlement of non-indigenous peoples in the state of Montana. The estimated population is 2,002, measuring up at around 1 square mile. The name of the settlement was changed from St. Mary’s to Stevensville in 1864 to honour territorial governor Isaac Stevens.
The third-largest town in Montana is Columbus. Columbus is a town in the county of seat of Stillwater County. The estimated population is 1,857, measuring up at around 1.35 square miles. The original name was sheep dip and later changed to Stillwater, however, due to the name clash with Stillwater, Minnesota the name was changed to Columbus, Montana in 1893.
The smallest town in Montana is Ismay. Ismay is a town in Custer County. The town is the least-populous incorporated municipality in the state of Montana, The estimated population is 17, measuring up at around 0.42 square miles. The town’s name is an amalgamation of Isabella and May, the names of the daughters of Albert J Earling
List of Towns in Montana
| Name | Type | County | Population 2020 |
| Manhattan | Town | Gallatin | 2,086 |
| Stevensville | Town | Ravalli | 2,002 |
| Columbus | Town | Stillwater | 1,857 |
| Eureka | Town | Lincoln | 1,380 |
| West Yellowstone | Town | Gallatin | 1,272 |
| Boulder | Town | Jefferson | 1,201 |
| Plains | Town | Sanders | 1,106 |
| Browning | Town | Glacier | 1,018 |
| Whitehall | Town | Jefferson | 1,006 |
| Ennis | Town | Madison | 917 |
| Fairview | Town | Richland | 896 |
| Chester | Town | Liberty | 847 |
| Philipsburg | Town | Granite | 841 |
| Superior | Town | Mineral | 830 |
| Pinesdale | Town | Ravalli | 805 |
| Darby | Town | Ravalli | 783 |
| St. Ignatius | Town | Lake | 768 |
| Fairfield | Town | Teton | 759 |
| Culbertson | Town | Roosevelt | 753 |
| Sheridan | Town | Madison | 694 |
| Bridger | Town | Carbon | 662 |
| Walkerville | Town | Silver Bow | 639 |
| Big Sandy | Town | Chouteau | 605 |
| Cascade | Town | Cascade | 600 |
| Circle | Town | McCone | 591 |
| Joliet | Town | Carbon | 577 |
| Terry | Town | Prairie | 562 |
| Hot Springs | Town | Sanders | 557 |
| Valier | Town | Pondera | 530 |
| Belt | Town | Cascade | 510 |
| Wibaux | Town | Wibaux | 462 |
| Broadus | Town | Powder River | 456 |
| Alberton | Town | Mineral | 452 |
| Lodge Grass | Town | Big Horn | 441 |
| Stanford | Town | Judith Basin | 403 |
| Ekalaka | Town | Carter | 399 |
| Fromberg | Town | Carbon | 392 |
| Brockton | Town | Roosevelt | 358 |
| Jordan | Town | Garfield | 356 |
| Sunburst | Town | Toole | 333 |
| Clyde Park | Town | Park | 332 |
| Twin Bridges | Town | Madison | 330 |
| Dutton | Town | Teton | 303 |
| Nashua | Town | Valley | 301 |
| Hysham | Town | Treasure | 276 |
| Drummond | Town | Granite | 272 |
| Bainville | Town | Roosevelt | 271 |
| Medicine Lake | Town | Sheridan | 244 |
| Fort Peck | Town | Valley | 239 |
| Ryegate | Town | Golden Valley | 223 |
| Virginia City | Town | Madison | 219 |
| Lima | Town | Beaverhead | 212 |
| Geraldine | Town | Chouteau | 207 |
| Denton | Town | Fergus | 205 |
| Froid | Town | Roosevelt | 195 |
| Moore | Town | Fergus | 194 |
| Winnett | Town | Petroleum | 188 |
| Plevna | Town | Fallon | 179 |
| Winifred | Town | Fergus | 172 |
| Westby | Town | Sheridan | 167 |
| Richey | Town | Dawson | 164 |
| Saco | Town | Phillips | 159 |
| Kevin | Town | Toole | 154 |
| Broadview | Town | Yellowstone | 139 |
| Lavina | Town | Golden Valley | 136 |
| Hingham | Town | Hill | 131 |
| Melstone | Town | Musselshell | 126 |
| Dodson | Town | Phillips | 125 |
| Grass Range | Town | Fergus | 110 |
| Bearcreek | Town | Carbon | 91 |
| Outlook | Town | Sheridan | 84 |
| Rexford | Town | Lincoln | 78 |
| Opheim | Town | Valley | 75 |
| Flaxville | Town | Daniels | 63 |
| Neihart | Town | Cascade | 43 |
| Ismay | Town | Custer | 17 |
