There are 11 cities in Valley 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 |
|---|---|---|---|---|---|---|---|
| Glasgow | 1 | 3,175 | 3,194 | -0.16% | 2,263 | 1.4 | City |
| Wolf Point | 2 | 2,477 | 2,636 | -1.59% | 2,805 | 0.9 | City |
| St. Marie | 3 | 455 | 325 | 2.94% | 20 | 22.9 | CDP |
| Frazer | 4 | 366 | 420 | 0.27% | 226 | 1.6 | CDP |
| Nashua | 5 | 292 | 299 | -0.68% | 414 | 0.7 | Town |
| Hinsdale | 6 | 243 | 284 | 0.83% | 38 | 6.5 | CDP |
| Fort Peck | 7 | 233 | 239 | -0.85% | 261 | 0.9 | Town |
| Saco | 8 | 161 | 160 | 0% | 530 | 0.3 | Town |
| Opheim | 9 | 72 | 74 | -1.37% | 344 | 0.2 | Town |
| Sleeping Buffalo | 10 | 9 | 0 | 0% | 48 | 0.2 | CDP |
| Peerless | 11 | 7 | 6 | 16.67% | 45 | 0.2 | 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.
Glasgow is the largest city in Valley County.
Peerless is the smallest city in Valley County.
There are 11 cities in Valley County, Montana.