Cities in Musselshell County, Montana by Population (2024)

There are 9 cities in Musselshell 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.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Roundup1Montana2,0301,7483.57%1,5701.29
Klein2Montana33415612.46%2612.85
Camp Three3Montana1601501.91%364.45
Melstone4Montana1501303.45%2440.61
Lavina5Montana1391370%1371.01
Broadview6Montana137140-0.73%5230.26
Mountain View Colony7Montana44033.33%1550.28
Musselshell8Montana37235.71%152.55
Flat Willow Colony9Montana0470%00.13

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 Musselshell County, Montana?

Roundup is the largest city in Musselshell County.

What is the smallest city in Musselshell County, Montana?

Flat Willow Colony is the smallest city in Musselshell County.

How many cities are in Musselshell County?

There are 9 cities in Musselshell County, Montana.

Frequently Asked Questions