There are 27 cities in Chouteau County, Montana.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Great Falls | 1 | 60,414 | 60,446 | -0.01% | 2,612 | 23.1 | City |
| Malmstrom AFB | 2 | 4,416 | 3,902 | 1.56% | 865 | 5.1 | CDP |
| Fort Benton | 3 | 1,413 | 1,459 | -0.84% | 616 | 2.3 | City |
| Sun Prairie | 4 | 1,322 | 1,617 | -1.64% | 250 | 5.3 | CDP |
| Vaughn | 5 | 1,028 | 877 | 2.7% | 288 | 3.6 | CDP |
| Ulm | 6 | 949 | 750 | 1.61% | 47 | 20.3 | CDP |
| Rocky Boy West | 7 | 945 | 836 | 0.43% | 174 | 5.4 | CDP |
| Big Sandy | 8 | 582 | 605 | -1.02% | 1,220 | 0.5 | Town |
| Sangrey | 9 | 534 | 418 | 3.29% | 85 | 6.3 | CDP |
| St. Pierre | 10 | 446 | 357 | 1.59% | 55 | 8.1 | CDP |
| Azure | 11 | 403 | 431 | 2.28% | 90 | 4.5 | CDP |
| Parker School | 12 | 395 | 659 | 1.02% | 53 | 7.4 | CDP |
| Rudyard | 13 | 392 | 224 | 2.35% | 428 | 0.9 | CDP |
| Boneau | 14 | 269 | 290 | -2.89% | 113 | 2.4 | CDP |
| Geraldine | 15 | 201 | 209 | -0.98% | 351 | 0.6 | Town |
| Highwood | 16 | 180 | 229 | 0.56% | 35 | 5.2 | CDP |
| Rocky Boy's Agency | 17 | 179 | 353 | -6.28% | 21 | 8.6 | CDP |
| Carter | 18 | 110 | 99 | 7.84% | 38 | 2.9 | CDP |
| Loma | 19 | 94 | 121 | 6.82% | 27 | 3.4 | CDP |
| Brady | 20 | 90 | 74 | -3.23% | 29 | 3.1 | CDP |
| Geyser | 21 | 86 | 78 | 7.5% | 97 | 0.9 | CDP |
| Box Elder | 22 | 79 | 57 | 6.76% | 101 | 0.8 | CDP |
| Gibson Flats | 23 | 62 | 205 | -13.89% | 19 | 3.3 | CDP |
| Midway Colony | 24 | 37 | 74 | 5.71% | 70 | 0.5 | CDP |
| Twin Hills Colony | 25 | 29 | 0 | 7.41% | 79 | 0.4 | CDP |
| Floweree | 26 | 26 | 11 | 8.33% | 22 | 1.2 | CDP |
| Square Butte | 27 | 24 | 14 | 4.35% | 87 | 0.3 | CDP |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Great Falls is the largest city in Chouteau County.
Square Butte is the smallest city in Chouteau County.
There are 27 cities in Chouteau County, Montana.