| Havre | 9,621 | 2,494 ft (760 m) | 3 sq mi (9.0 km²) |
| Anaconda-Deer Lodge County | 9,417 | - | 737 sq mi (1908.8 km²) |
| Blackfeet | 9,209 | - | 2,122 sq mi (5495.4 km²) |
| Fort Peck Reservation | 9,042 | - | 1,122 sq mi (2906.5 km²) |
| Miles City | 8,487 | 2,358 ft (719 m) | 3 sq mi (8.5 km²) |
| Anaconda | 8,078 | 5,265 ft (1,605 m) | 556 sq mi (1438.7 km²) |
| Helena Valley Southeast | 7,141 | - | 16 sq mi (42.0 km²) |
| Helena Valley West Central | 6,983 | - | 27 sq mi (68.9 km²) |
| Livingston | 6,851 | 4,503 ft (1,373 m) | 3 sq mi (6.8 km²) |
| Crow Reservation | 6,626 | - | 3,206 sq mi (8304.3 km²) |
| South Yellowstone | 6,314 | - | 658 sq mi (1704.0 km²) |
| Laurel | 6,255 | 3,297 ft (1,005 m) | 2 sq mi (4.9 km²) |
| Evergreen | 6,215 | 2,920 ft (890 m) | 8 sq mi (20.7 km²) |
| Lewistown | 5,813 | 3,963 ft (1,208 m) | 2 sq mi (4.9 km²) |
| Belgrade | 5,728 | 4,454 ft (1,358 m) | 2 sq mi (4.3 km²) |
| Orchard Homes | 5,199 | 3,146 ft (959 m) | 6 sq mi (16.5 km²) |
| Whitefish | 5,032 | 3,036 ft (925 m) | 4 sq mi (11.4 km²) |
| Sidney | 4,774 | 1,931 ft (589 m) | 2 sq mi (5.8 km²) |
| Glendive | 4,729 | 2,078 ft (633 m) | 3 sq mi (8.6 km²) |
| Malmstrom AFB | 4,544 | - | 5 sq mi (13.4 km²) |
| Northwest Yellowstone | 4,330 | - | 566 sq mi (1466.2 km²) |
| Lockwood | 4,306 | - | 7 sq mi (19.3 km²) |
| Polson | 4,041 | 2,931 ft (893 m) | 3 sq mi (7.0 km²) |
| South Toole | 3,874 | - | 1,019 sq mi (2638.7 km²) |
| Great Falls North | 3,818 | - | 295 sq mi (765.1 km²) |
| Dillon | 3,752 | 5,096 ft (1,553 m) | 2 sq mi (4.2 km²) |
| Gallatin Gateway | 3,723 | 4,941 ft (1,506 m) | 246 sq mi (636.9 km²) |
| Hamilton | 3,705 | 3,572 ft (1,089 m) | 2 sq mi (6.0 km²) |
| Columbia Falls | 3,645 | 3,092 ft (942 m) | 2 sq mi (3.9 km²) |
| Kalispell Northwest | 3,601 | - | 394 sq mi (1021.0 km²) |
| Huntley Project | 3,430 | - | 340 sq mi (881.4 km²) |
| Deer Lodge | 3,421 | 4,521 ft (1,378 m) | 1 sq mi (3.7 km²) |
| Lolo | 3,388 | 3,193 ft (973 m) | 10 sq mi (24.6 km²) |
| Hardin | 3,384 | 2,902 ft (885 m) | 1 sq mi (3.6 km²) |
| Glasgow | 3,253 | 2,090 ft (637 m) | 1 sq mi (3.7 km²) |
| Shelby | 3,216 | 3,286 ft (1,002 m) | 3 sq mi (8.2 km²) |
| Townsend East | 3,108 | - | 626 sq mi (1620.3 km²) |
| Cut Bank | 3,105 | 3,714 ft (1,132 m) | 1 sq mi (2.5 km²) |
| Rosebud | 2,973 | 2,485 ft (757 m) | 1,200 sq mi (3109.0 km²) |
| Northern Cheyenne | 2,928 | - | 318 sq mi (824.7 km²) |
| Sun River Valley | 2,885 | - | 281 sq mi (728.8 km²) |
| South of the Yellowstone | 2,806 | - | 772 sq mi (2000.5 km²) |
| Fort Belknap | 2,801 | - | 890 sq mi (2304.8 km²) |
| Conrad | 2,753 | 3,510 ft (1,070 m) | 1 sq mi (3.1 km²) |
| North of the Yellowstone | 2,728 | - | 1,083 sq mi (2803.9 km²) |
| Wolf Point | 2,663 | 1,997 ft (609 m) | 1 sq mi (2.3 km²) |
| Libby | 2,626 | 2,062 ft (628 m) | 1 sq mi (3.3 km²) |
| Madison Valley | 2,415 | - | 1,374 sq mi (3558.9 km²) |
| South Fork | 2,407 | - | 1,728 sq mi (4476.3 km²) |
| Colstrip | 2,346 | 3,232 ft (985 m) | 4 sq mi (11.6 km²) |
| North Browning | 2,200 | - | 3 sq mi (7.6 km²) |
| Kalispell Southwest | 2,188 | - | 513 sq mi (1327.6 km²) |
| Red Lodge | 2,177 | 5,553 ft (1,693 m) | 3 sq mi (6.7 km²) |
| Helena Valley Northeast | 2,122 | - | 47 sq mi (121.2 km²) |
| Malta | 2,120 | 2,255 ft (687 m) | 1 sq mi (2.7 km²) |
| Wolf Creek | 2,119 | 3,571 ft (1,088 m) | 731 sq mi (1892.2 km²) |
| Montana City | 2,094 | 4,043 ft (1,232 m) | 28 sq mi (73.0 km²) |
| Helena Valley Northwest | 2,082 | - | 16 sq mi (42.5 km²) |
| East Missoula | 2,070 | 3,248 ft (990 m) | 1 sq mi (3.5 km²) |
| Plentywood | 2,061 | 2,047 ft (624 m) | 1 sq mi (3.0 km²) |
| Rocky Boy's | 2,046 | - | 223 sq mi (576.8 km²) |
| Lame Deer | 2,018 | 3,354 ft (1,022 m) | 56 sq mi (144.0 km²) |
| Forsyth | 1,944 | 2,526 ft (770 m) | 1 sq mi (2.9 km²) |
| Daniels North | 1,936 | - | 1,200 sq mi (3108.5 km²) |
| Roundup | 1,931 | 3,226 ft (983 m) | 1 sq mi (3.5 km²) |
| Shields Valley | 1,886 | - | 795 sq mi (2059.8 km²) |
| Townsend | 1,867 | 3,848 ft (1,173 m) | 2 sq mi (4.1 km²) |
| West Glendive | 1,833 | - | 3 sq mi (9.0 km²) |
| Four Corners | 1,828 | 4,712 ft (1,436 m) | 10 sq mi (26.4 km²) |
| Pablo | 1,814 | 3,085 ft (940 m) | 5 sq mi (12.6 km²) |
| Ronan | 1,812 | 3,047 ft (929 m) | 1 sq mi (2.7 km²) |
| Choteau | 1,781 | 3,820 ft (1,164 m) | 2 sq mi (4.6 km²) |
| Sun Prairie | 1,772 | - | 6 sq mi (15.4 km²) |
| Columbus | 1,748 | 3,600 ft (1,097 m) | 1 sq mi (3.1 km²) |
| Three Forks | 1,728 | - | 1 sq mi (3.3 km²) |
| Helena West Side | 1,711 | - | 15 sq mi (38.1 km²) |
| Baker | 1,695 | 2,910 ft (887 m) | 1 sq mi (2.2 km²) |
| Bonner-West Riverside | 1,693 | - | 2 sq mi (4.0 km²) |
| Lakeside | 1,679 | 2,908 ft (886 m) | 7 sq mi (19.0 km²) |
| South Browning | 1,677 | - | 2 sq mi (6.0 km²) |
| Big Timber | 1,650 | 4,089 ft (1,246 m) | 1 sq mi (2.4 km²) |
| East Helena | 1,642 | 3,874 ft (1,181 m) | 1 sq mi (2.2 km²) |
| Fort Benton | 1,594 | 2,632 ft (802 m) | 2 sq mi (5.4 km²) |
| East Roosevelt | 1,578 | - | 609 sq mi (1576.8 km²) |
| Stevensville | 1,553 | 3,370 ft (1,027 m) | 1 sq mi (1.3 km²) |
| Crow Agency | 1,552 | 3,031 ft (924 m) | 7 sq mi (18.9 km²) |
| Seeley Lake | 1,436 | 4,028 ft (1,228 m) | 11 sq mi (28.2 km²) |
| Bigfork | 1,421 | 2,968 ft (905 m) | 6 sq mi (14.9 km²) |
| Clancy | 1,406 | 4,226 ft (1,288 m) | 36 sq mi (92.7 km²) |
| Manhattan | 1,396 | 4,243 ft (1,293 m) | 1 sq mi (1.6 km²) |
| Chinook | 1,386 | 2,438 ft (743 m) | 1 sq mi (1.3 km²) |
| Deer Lodge Valley | 1,339 | - | 182 sq mi (470.1 km²) |
| Thompson Falls | 1,321 | 2,419 ft (737 m) | 2 sq mi (4.8 km²) |
| Boulder | 1,300 | 4,904 ft (1,495 m) | 1 sq mi (3.0 km²) |
| Townsend West | 1,277 | - | 566 sq mi (1465.4 km²) |
| Fort Belknap Agency | 1,262 | 3,972 ft (1,211 m) | 11 sq mi (28.0 km²) |
| Absarokee | 1,234 | 4,044 ft (1,233 m) | 2 sq mi (5.3 km²) |
| Big Sky | 1,221 | 3,220 ft (981 m) | 228 sq mi (590.8 km²) |
| West Yellowstone | 1,177 | 6,667 ft (2,032 m) | 1 sq mi (2.1 km²) |
| Plains | 1,126 | 2,468 ft (752 m) | 1 sq mi (1.5 km²) |
| Lincoln | 1,100 | 4,536 ft (1,383 m) | 18 sq mi (46.4 km²) |
| West End | 1,097 | 5,541 ft (1,689 m) | 447 sq mi (1157.5 km²) |
| Scobey | 1,082 | 2,507 ft (764 m) | 1 sq mi (1.9 km²) |
| Browning | 1,065 | 4,380 ft (1,335 m) | 0 sq mi (0.7 km²) |
| Harlowton | 1,062 | 4,227 ft (1,288 m) | 1 sq mi (1.5 km²) |
| Whitehall | 1,044 | 4,351 ft (1,326 m) | 1 sq mi (1.8 km²) |
| Terry South | 1,039 | - | 726 sq mi (1879.6 km²) |
| Eureka | 1,017 | 2,566 ft (782 m) | 1 sq mi (2.6 km²) |
| Dawson North | 1,003 | - | 1,390 sq mi (3599.8 km²) |