RANKING · 2000 CENSUS · 25 SHOWN OF 25

Fastest shrinking, Montana cities · 2000

Montana cities with the steepest population decline since the prior decennial census. This list covers the 25 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 growing Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Orchard Homes, MTMT5,588-49.6%+0%

02Sidney, MTMT6,217-8.5%+0%

03Anaconda-Deer Lodge County, MTMT9,709-8.4%+0%

04Havre, MTMT9,264-6.8%+0%

05Lewistown, MTMT6,179-3.9%+0%

06Miles City, MTMT8,450+0.3%+0%

07Butte-Silver Bow, MTMT35,469+1.8%+0%

08Livingston, MTMT9,290+2.2%+0%

09Great Falls, MTMT60,208+2.9%+0%

10Helena, MTMT35,138+5.9%+0%

11Lockwood, MTMT7,181+8.5%+0%

12Laurel, MTMT7,205+10.0%+0%

13Helena Valley West Central, MTMT8,056+10.4%+0%

14Billings, MTMT121,239+10.7%+0%

15Whitefish, MTMT9,358+15.2%+0%

16Columbia Falls, MTMT5,753+17.7%+0%

17Kalispell, MTMT31,851+19.4%+0%

18Bozeman, MTMT58,814+21.4%+0%

19Polson, MTMT5,653+24.2%+0%

20Missoula, MTMT78,903+32.9%+0%

21Hamilton, MTMT5,451+35.4%+0%

22Evergreen, MTMT9,611+51.3%+0%

23Helena Valley Southeast, MTMT9,108+55.2%+0%

24Belgrade, MTMT13,107+67.9%+0%

25Helena Valley Northwest, MTMT5,183+69.1%+0%

SHOWING 1–25 OF 25

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES