RANKING · 2000 CENSUS · 25 SHOWN OF 25

Fastest shrinking, Montana cities · 2000

Montana cities with the steepest population decline from the 1990 census to 2000. 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 population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Orchard Homes, MTMT5,588-49.6%–

02Sidney, MTMT6,217-8.5%–

03Anaconda-Deer Lodge County, MTMT9,709-8.4%–

04Havre, MTMT9,264-6.8%–

05Lewistown, MTMT6,179-3.9%–

06Miles City, MTMT8,450+0.3%–

07Butte-Silver Bow, MTMT35,469+1.8%–

08Livingston, MTMT9,290+2.2%–

09Great Falls, MTMT60,208+2.9%–

10Helena, MTMT35,138+5.9%–

11Lockwood, MTMT7,181+8.5%–

12Laurel, MTMT7,205+10.0%–

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

14Billings, MTMT121,239+10.7%–

15Whitefish, MTMT9,358+15.2%–

16Columbia Falls, MTMT5,753+17.7%–

17Kalispell, MTMT31,851+19.4%–

18Bozeman, MTMT58,814+21.4%–

19Polson, MTMT5,653+24.2%–

20Missoula, MTMT78,903+32.9%–

21Hamilton, MTMT5,451+35.4%–

22Evergreen, MTMT9,611+51.3%–

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

24Belgrade, MTMT13,107+67.9%–

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

SHOWING 1–25 OF 25

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