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List of Largest Cities in Montana by Population

Montana may be known for its wide-open skies, snow-capped peaks, and endless stretches of prairie, but its cities are where the state’s character truly comes alive. From the historic streets of Helena to the bustling energy of Billings, these communities showcase the diverse lifestyles that make Big Sky Country so unforgettable. Whether you’re a lifelong local, a newcomer, or a traveler exploring through our interactive maps, here’s a look at the ten largest cities in Montana – places where modern growth meets that unmistakable Western spirit.

Top 10 Largest Cities in Montana (2020 Census)

Rank City County Population Region
1 Billings Yellowstone 117,116 South-Central Montana
2 Missoula Missoula 74,822 Western Montana
3 Great Falls Cascade 60,442 Central Montana
4 Bozeman Gallatin 53,293 Southwest Montana
5 Butte Silver Bow 34,190 Southwest Montana
6 Helena Lewis and Clark 33,120 West-Central Montana
7 Kalispell Flathead 24,558 Northwest Montana
8 Havre Hill 9,362 North-Central Montana
9 Anaconda Deer Lodge 9,153 Southwest Montana
10 Miles City Custer 8,354 Eastern Montana

These ten cities may vary in size and geography, but together they define the rhythm of life in Montana. Billings stands as the commercial heartbeat of the state, with a growing downtown and easy access to the Yellowstone River. Missoula is Montana’s cultural and creative center, home to the University of Montana and surrounded by stunning wilderness. Bozeman, with its booming tech scene and proximity to Yellowstone National Park, has become one of the fastest-growing cities in the Rocky Mountain West.

Meanwhile, Great Falls and Helena remind visitors of the state’s deep history from early explorers to modern air bases and vibrant civic pride. Kalispell and Whitefish attract outdoor enthusiasts year-round, while eastern towns like Miles City and Havre preserve Montana’s frontier traditions and small-town warmth.

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Montana’s urban centers are evolving, but they never lose sight of what makes this state extraordinary: the blend of rugged independence, natural beauty, and community spirit that makes every city feel like home. Explore each city map on our website to discover neighborhoods, attractions, and the stories that shape life under the Big Sky.