RANKING · 2020 CENSUS · 27 SHOWN OF 27

Fastest growing, Montana cities · 2020

Montana cities ranked by population growth from the 2010 census to 2020. This list covers the 27 cities in Montana that qualify, ranked against each other statewide.

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MontanaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Four Corners, MTMT5,791+87.6%–

02Bozeman, MTMT58,814+43.0%+101%

03Belgrade, MTMT13,107+41.6%−39%

04Helena Valley Northwest, MTMT5,183+35.1%−49%

05Kalispell, MTMT31,851+23.2%+20%

06Sidney, MTMT6,217+22.3%−362%

07Whitefish, MTMT9,358+21.9%+44%

08Bigfork, MTMT5,565+19.9%–

09Polson, MTMT5,653+14.7%−39%

10Livingston, MTMT9,290+14.1%+532%

11Helena, MTMT35,138+13.8%+135%

12Columbia Falls, MTMT5,753+13.2%−25%

13Billings, MTMT121,239+12.4%+16%

14Helena Valley Southeast, MTMT9,108+11.4%−79%

15Missoula, MTMT78,903+10.0%−70%

16Helena Valley West Central, MTMT8,056+10.0%−4%

17Laurel, MTMT7,205+7.5%−25%

18Hamilton, MTMT5,451+7.2%−80%

19Evergreen, MTMT9,611+7.0%−86%

20Lockwood, MTMT7,181+5.9%−31%

21Orchard Homes, MTMT5,588+3.5%−107%

22Great Falls, MTMT60,208+3.3%+15%

23Butte-Silver Bow, MTMT35,469+2.9%+65%

24Anaconda-Deer Lodge County, MTMT9,709+1.3%−116%

25Lewistown, MTMT6,179+0.9%−122%

26Havre, MTMT9,264+0.6%−108%

27Miles City, MTMT8,450-0.7%−317%

SHOWING 1–27 OF 27

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS