| City Name | Population | State | Rank |
|---|---|---|---|
| Harlowton City | 997 | Montana | 1 |
| Park City | 983 | Montana | 2 |
| Corvallis | 976 | Montana | 3 |
| Pioneer Junction | 959 | Montana | 4 |
| White Sulphur Springs City | 939 | Montana | 5 |
| Troy City | 938 | Montana | 6 |
| Pinesdale Town | 917 | Montana | 7 |
| Black Eagle | 904 | Montana | 8 |
| Churchill | 902 | Montana | 9 |
| Rocky Boy West | 890 | Montana | 10 |
| Marion | 886 | Montana | 11 |
| Gardiner | 875 | Montana | 12 |
| Gallatin Gateway | 856 | Montana | 13 |
| Chester Town | 847 | Montana | 14 |
| Hays | 843 | Montana | 15 |
| St. Ignatius Town | 842 | Montana | 16 |
| Fairview Town | 840 | Montana | 17 |
| Ennis Town | 838 | Montana | 18 |
| Hungry Horse | 826 | Montana | 19 |
| Ashland | 824 | Montana | 20 |
| Philipsburg Town | 820 | Montana | 21 |
| Superior Town | 812 | Montana | 22 |
| Poplar City | 810 | Montana | 23 |
| Harlem City | 808 | Montana | 24 |
| Florence | 765 | Montana | 25 |
| Busby | 745 | Montana | 26 |
| Victor | 745 | Montana | 27 |
| Ulm | 738 | Montana | 28 |
| King Arthur Park | 738 | Montana | 29 |
| Darby Town | 720 | Montana | 30 |
| Havre North | 716 | Montana | 31 |
| Culbertson Town | 714 | Montana | 32 |
| Bridger Town | 708 | Montana | 33 |
| Fairfield Town | 708 | Montana | 34 |
| Carlton | 694 | Montana | 35 |
| Cascade Town | 685 | Montana | 36 |
| Pray | 681 | Montana | 37 |
| Walkerville Town | 675 | Montana | 38 |
| Woods Bay | 661 | Montana | 39 |
| Vaughn | 658 | Montana | 40 |
| Sheridan Town | 642 | Montana | 41 |
| Arlee | 636 | Montana | 42 |
| Pryor | 618 | Montana | 43 |
| Muddy | 617 | Montana | 44 |
| Circle Town | 615 | Montana | 45 |
| Terry Town | 605 | Montana | 46 |
| Big Sandy Town | 598 | Montana | 47 |
| Belt Town | 597 | Montana | 48 |
| Joliet Town | 595 | Montana | 49 |
| Wibaux Town | 589 | Montana | 50 |
| Heart Butte | 582 | Montana | 51 |
| White Haven | 577 | Montana | 52 |
| Worden | 577 | Montana | 53 |
| Wheatland | 568 | Montana | 54 |
| Hot Springs Town | 544 | Montana | 55 |
| Trego | 541 | Montana | 56 |
| Coram | 539 | Montana | 57 |
| South Hills | 517 | Montana | 58 |
| Shepherd | 516 | Montana | 59 |
| Wye | 511 | Montana | 60 |
| Valier Town | 509 | Montana | 61 |
| The Silos | 506 | Montana | 62 |
| Martin City | 500 | Montana | 63 |
| Emigrant | 488 | Montana | 64 |
| Riverbend | 484 | Montana | 65 |
| Finley Point | 480 | Montana | 66 |
| Jefferson City | 472 | Montana | 67 |
| Broadus Town | 468 | Montana | 68 |
| Huntley | 446 | Montana | 69 |
| Fromberg Town | 438 | Montana | 70 |
| Lodge Grass Town | 428 | Montana | 71 |
| Alberton Town | 420 | Montana | 72 |
| Lewistown Heights | 407 | Montana | 73 |
| Stanford Town | 401 | Montana | 74 |
| Piltzville | 395 | Montana | 75 |
| Midvale | 393 | Montana | 76 |
| Kila | 392 | Montana | 77 |
| Batavia | 385 | Montana | 78 |
| Boneau | 380 | Montana | 79 |
| Charlo | 379 | Montana | 80 |
| Sunburst Town | 375 | Montana | 81 |
| Twin Bridges Town | 375 | Montana | 82 |
| West Kootenai | 365 | Montana | 83 |
| Rader Creek | 363 | Montana | 84 |
| East Glacier Park Village | 363 | Montana | 85 |
| Frazer | 362 | Montana | 86 |
| Roberts | 361 | Montana | 87 |
| Rocky Boy's Agency | 355 | Montana | 88 |
| Spokane Creek | 355 | Montana | 89 |
| Simms | 354 | Montana | 90 |
| St. Pierre | 350 | Montana | 91 |
| Jordan Town | 343 | Montana | 92 |
| Condon | 343 | Montana | 93 |
| Parker School | 340 | Montana | 94 |
| Ponderosa Pines | 336 | Montana | 95 |
| Ekalaka Town | 332 | Montana | 96 |
| Fortine | 325 | Montana | 97 |
| Evaro | 322 | Montana | 98 |
| Knife River | 320 | Montana | 99 |
| Ballantine | 320 | Montana | 100 |
| St. Regis | 319 | Montana | 101 |
| West Havre | 316 | Montana | 102 |
| Dutton Town | 316 | Montana | 103 |
| Hysham Town | 312 | Montana | 104 |
| Drummond Town | 309 | Montana | 105 |
| Augusta | 309 | Montana | 106 |
| Turah | 306 | Montana | 107 |
| Sangrey | 306 | Montana | 108 |
| Nashua Town | 290 | Montana | 109 |
| Clyde Park Town | 288 | Montana | 110 |
| Azure | 286 | Montana | 111 |
| Kicking Horse | 286 | Montana | 112 |
| Lindisfarne | 284 | Montana | 113 |
| South Glastonbury | 284 | Montana | 114 |
| Heron | 282 | Montana | 115 |
| Fort Shaw | 280 | Montana | 116 |
| Bear Dance | 275 | Montana | 117 |
| Beaver Creek | 271 | Montana | 118 |
| Lodge Pole | 265 | Montana | 119 |
| St. Marie | 264 | Montana | 120 |
| Geraldine Town | 261 | Montana | 121 |
| Rudyard | 258 | Montana | 122 |
| Wineglass | 256 | Montana | 123 |
| Brockton Town | 255 | Montana | 124 |
| Denton Town | 255 | Montana | 125 |
| Jette | 253 | Montana | 126 |
| Starr School | 252 | Montana | 127 |
| Kerr | 251 | Montana | 128 |
| Yaak | 248 | Montana | 129 |
| Ryegate Town | 245 | Montana | 130 |
| Trout Creek | 242 | Montana | 131 |
| Fort Peck Town | 233 | Montana | 132 |
| West Glacier | 227 | Montana | 133 |
| Medicine Lake Town | 225 | Montana | 134 |
| Lima Town | 221 | Montana | 135 |
| Elliston | 219 | Montana | 136 |
| Belfry | 218 | Montana | 137 |
| Noxon | 218 | Montana | 138 |
| Hinsdale | 217 | Montana | 139 |
| Conner | 216 | Montana | 140 |
| Hobson City | 215 | Montana | 141 |
| Wyola | 215 | Montana | 142 |
| Sand Coulee | 212 | Montana | 143 |
| Basin | 212 | Montana | 144 |
| Huson | 210 | Montana | 145 |
| Willow Creek | 210 | Montana | 146 |
| Turtle Lake | 209 | Montana | 147 |
| Rollins | 209 | Montana | 148 |
| Winifred Town | 208 | Montana | 149 |
| Bainville Town | 208 | Montana | 150 |
| Forest Hill Village | 206 | Montana | 151 |
| Little Browning | 206 | Montana | 152 |
| Dixon | 203 | Montana | 153 |
| Gibson Flats | 199 | Montana | 154 |
| Saco Town | 197 | Montana | 155 |
| Little Bitterroot Lake | 194 | Montana | 156 |
| Moore Town | 193 | Montana | 157 |
| Reed Point | 193 | Montana | 158 |
| Broadview Town | 192 | Montana | 159 |
| Olney | 191 | Montana | 160 |
| Virginia City Town | 190 | Montana | 161 |
| Lavina Town | 187 | Montana | 162 |
| Froid Town | 185 | Montana | 163 |
| Winnett Town | 182 | Montana | 164 |
| Amsterdam | 180 | Montana | 165 |
| Elmo | 180 | Montana | 166 |
| Gildford | 179 | Montana | 167 |
| Power | 179 | Montana | 168 |
| Wilsall | 178 | Montana | 169 |
| Richey Town | 177 | Montana | 170 |
| Big Arm | 177 | Montana | 171 |
| Highwood | 176 | Montana | 172 |
| Babb | 174 | Montana | 173 |
| Camp Three | 173 | Montana | 174 |
| Stockett | 169 | Montana | 175 |
| Westby Town | 168 | Montana | 176 |
| Klein | 168 | Montana | 177 |
| Happys Inn | 164 | Montana | 178 |
| Fallon | 164 | Montana | 179 |
| Paradise | 163 | Montana | 180 |
| Lonepine | 162 | Montana | 181 |
| Plevna Town | 162 | Montana | 182 |
| Fort Smith | 161 | Montana | 183 |
| Custer | 159 | Montana | 184 |
| Belknap | 158 | Montana | 185 |
| Fox Lake | 158 | Montana | 186 |
| Joplin | 157 | Montana | 187 |
| Kevin Town | 154 | Montana | 188 |
| Kings Point | 151 | Montana | 189 |
| Winston | 147 | Montana | 190 |
| Brady | 140 | Montana | 191 |
| Birney | 137 | Montana | 192 |
| Harrison | 137 | Montana | 193 |
| Springhill | 130 | Montana | 194 |
| Maxville | 130 | Montana | 195 |
| Saddle Butte | 128 | Montana | 196 |
| Judith Gap City | 126 | Montana | 197 |
| Dodson Town | 124 | Montana | 198 |
| Sun River | 124 | Montana | 199 |
| Charlos Heights | 120 | Montana | 200 |
| Hingham Town | 118 | Montana | 201 |
| Pony | 118 | Montana | 202 |
| Herron | 116 | Montana | 203 |
| Edgar | 114 | Montana | 204 |
| Santa Rita | 113 | Montana | 205 |
| Swan Lake | 113 | Montana | 206 |
| Greycliff | 112 | Montana | 207 |
| Avon | 111 | Montana | 208 |
| Rosebud | 111 | Montana | 209 |
| Grass Range Town | 110 | Montana | 210 |
| Corwin Springs | 109 | Montana | 211 |
| Roy | 108 | Montana | 212 |
| Toston | 108 | Montana | 213 |
| Old Agency | 107 | Montana | 214 |
| Rexford Town | 105 | Montana | 215 |
| Sylvanite | 103 | Montana | 216 |
| Alder | 103 | Montana | 217 |
| Crane | 102 | Montana | 218 |
| Sedan | 99 | Montana | 219 |
| Logan | 99 | Montana | 220 |
| Wisdom | 98 | Montana | 221 |
| Kremlin | 98 | Montana | 222 |
| Rocky Point | 97 | Montana | 223 |
| Melstone Town | 96 | Montana | 224 |
| Silesia | 96 | Montana | 225 |
| Garrison | 96 | Montana | 226 |
| Geyser | 87 | Montana | 227 |
| Box Elder | 87 | Montana | 228 |
| Dupuyer | 86 | Montana | 229 |
| Loma | 85 | Montana | 230 |
| Opheim Town | 85 | Montana | 231 |
| Dayton | 84 | Montana | 232 |
| St. Xavier | 83 | Montana | 233 |
| Weeksville | 83 | Montana | 234 |
| Ovando | 81 | Montana | 235 |
| Marysville | 80 | Montana | 236 |
| Bearcreek Town | 79 | Montana | 237 |
| De Borgia | 78 | Montana | 238 |
| Ravalli | 76 | Montana | 239 |
| Cooke City | 75 | Montana | 240 |
| Flaxville Town | 71 | Montana | 241 |
| Hebgen Lake Estates | 70 | Montana | 242 |
| Gallatin River Ranch | 69 | Montana | 243 |
| Zortman | 69 | Montana | 244 |
| Radersburg | 66 | Montana | 245 |
| Lake Mary Ronan | 65 | Montana | 246 |
| Martinsdale | 64 | Montana | 247 |
| Whitewater | 64 | Montana | 248 |
| Turner | 61 | Montana | 249 |
| Musselshell | 60 | Montana | 250 |
| Sweet Grass | 58 | Montana | 251 |
| Camas | 58 | Montana | 252 |
| Carter | 58 | Montana | 253 |
| Jardine | 57 | Montana | 254 |
| Inverness | 55 | Montana | 255 |
| Antelope | 51 | Montana | 256 |
| Neihart Town | 51 | Montana | 257 |
| Cardwell | 50 | Montana | 258 |
| Outlook Town | 47 | Montana | 259 |
| Craig | 43 | Montana | 260 |
| Shawmut | 42 | Montana | 261 |
| Springdale | 42 | Montana | 262 |
| Biddle | 41 | Montana | 263 |
| Sula | 37 | Montana | 264 |
| Boyd | 35 | Montana | 265 |
| Bynum | 31 | Montana | 266 |
| Indian Springs | 31 | Montana | 267 |
| Bridger | 30 | Montana | 268 |
| Alzada | 29 | Montana | 269 |
| Niarada | 27 | Montana | 270 |
| Stryker | 26 | Montana | 271 |
| Reserve | 23 | Montana | 272 |
| Silver Gate | 20 | Montana | 273 |
| Ismay Town | 19 | Montana | 274 |
| Roscoe | 15 | Montana | 275 |
| Elkhorn | 10 | Montana | 276 |