Cities in Gallatin County, Montana by Population (2024)

There are 21 cities in Gallatin 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)
Bozeman1Montana58,45953,8412.01%2,73521.38
Belgrade2Montana13,11510,6914.84%2,6964.87
Four Corners3Montana5,5954,859-0.32%51610.84
Big Sky4Montana2,5963,054-4.21%22120
King Arthur Park5Montana2,1331,9332.4%4,6070.46
Manhattan6Montana2,1152,0900.28%1,2051.75
Three Forks7Montana1,9871,9820.05%1,3811.44
Wheatland8Montana1,39863615.82%1974.45
Ponderosa Pines9Montana1,26242020.08%3239.65
West Yellowstone10Montana1,2051,271-1.39%1,3270.91
Churchill11Montana1,1739894.08%3303.55
Gallatin Gateway12Montana9747984.73%1675.85
Logan13Montana2431730.64%4870.50
Willow Creek14Montana206216-0.96%752.73
Gallatin River Ranch15Montana2011204.69%287.08
Springhill16Montana2001980.5%722.78
Wilsall17Montana184226-5.16%1641.12
Bridger18Montana1831553.98%513.60
Amsterdam19Montana151169-2.58%562.71
Sedan20Montana1405610.24%260.99
Hebgen Lake Estates21Montana1246613.76%6740.18

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 Gallatin County, Montana?

Bozeman is the largest city in Gallatin County.

What is the smallest city in Gallatin County, Montana?

Hebgen Lake Estates is the smallest city in Gallatin County.

How many cities are in Gallatin County?

There are 21 cities in Gallatin County, Montana.

Frequently Asked Questions