RANKING · 2010 CENSUS · 27 SHOWN OF 27

Most population gained, Montana cities · 2010

Montana cities that added the most residents from the 2000 census to 2010, by raw count of people rather than percentage. This list covers the 27 cities in Montana that qualify, ranked against each other statewide. The median across all 27 is +1,086.

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MontanaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

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

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Billings, MTMT121,239+14,323+65%

02Bozeman, MTMT58,814+9,771+102%

03Missoula, MTMT78,903+9,735−31%

04Kalispell, MTMT31,851+5,704+147%

05Bigfork, MTMT5,565+2,849–

06Lockwood, MTMT7,181+2,491+635%

07Helena, MTMT35,138+2,410+68%

08Great Falls, MTMT60,208+1,815+14%

09Belgrade, MTMT13,107+1,661−28%

10Evergreen, MTMT9,611+1,401−33%

11Helena Valley Northwest, MTMT5,183+1,400+65%

12Whitefish, MTMT9,358+1,325+100%

13Four Corners, MTMT5,791+1,318–

14Helena Valley Southeast, MTMT9,108+1,086−57%

15Columbia Falls, MTMT5,753+1,043+91%

16Helena Valley West Central, MTMT8,056+900+37%

17Hamilton, MTMT5,451+643−34%

18Laurel, MTMT7,205+463−19%

19Polson, MTMT5,653+447−43%

20Sidney, MTMT6,217+417−194%

21Livingston, MTMT9,290+193+29%

22Lewistown, MTMT6,179+88−137%

23Orchard Homes, MTMT5,588-2−100%

24Miles City, MTMT8,450-77−396%

25Anaconda-Deer Lodge County, MTMT9,709-119−86%

26Havre, MTMT9,264-311−56%

27Butte-Silver Bow, MTMT35,469-367−163%

SHOWING 1–27 OF 27

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS