| # | City | Population change 2010-2020 |
|---|---|---|
| 1 | Bozeman | +43.7% |
| 2 | Belgrade | +41.8% |
| 3 | Kalispell | +25.8% |
| 4 | Whitefish | +22.3% |
| 5 | Sidney | +22.2% |
| 6 | Livingston | +20.1% |
| 7 | Polson | +14.5% |
| 8 | Helena | +13.9% |
| 9 | Columbia Falls | +13.5% |
| 10 | Billings | +12.5% |
| 11 | Missoula | +11.0% |
| 12 | Hamilton | +7.9% |
| 13 | Laurel | +7.5% |
| 14 | Cut Bank | +6.7% |
| 15 | Red Lodge | +6.4% |
| 16 | Great Falls | +3.4% |
| 17 | Butte | +2.9% |
| 18 | Wolf Point | +1.8% |
| 19 | Anaconda | +1.4% |
| 20 | Lewistown | +0.9% |
| 21 | West Yellowstone | +0.6% |
| 22 | Havre | +0.4% |
| 23 | Miles City | -0.7% |
| 24 | Glendive | -1.2% |
| 25 | Dillon | -6.2% |
Top Montana Counties
Counties ranked by percent population change between the 2010 Census and the April 2020 estimates base.
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate). Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Fastest-Growing Cities in Montana Since 2010”, https://gismap.land/rankings/montana/fastest-growing-cities-since-2010. Figures from U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).
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