Valley County, Montana Cities (2024)

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 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Glasgow13,1753,194-0.16%2,2631.4City
St. Marie24553252.94%2022.9CDP
Frazer33664200.27%2261.6CDP
Nashua4292299-0.68%4140.7Town
Hinsdale52432840.83%386.5CDP
Fort Peck6233239-0.85%2610.9Town
Opheim77274-1.37%3440.2Town

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.

What is the largest city in Valley County, Montana?

Glasgow is the largest city in Valley County.

What is the smallest city in Valley County, Montana?

Opheim is the smallest city in Valley County.

How many cities are in Valley County?

There are 7 cities in Valley County, Montana.

Frequently Asked Questions