RANKING · 2024 ACS · 27 SHOWN OF 27

Fastest shrinking, Montana cities

Montana cities with the steepest population decline from the 2020 census to 2024. 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

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Helena Valley West Central, MTMT8,056-7.1%−17.5 pts

02Sidney, MTMT6,217-2.8%+5.7 pts

03Four Corners, MTMT5,791-1.9%–

04Havre, MTMT9,264-1.1%+5.7 pts

05Helena Valley Southeast, MTMT9,108-0.7%−55.9 pts

06Lockwood, MTMT7,181-0.2%−8.7 pts

07Great Falls, MTMT60,208-0.2%−3.1 pts

08Laurel, MTMT7,205-0.1%−10.1 pts

09Miles City, MTMT8,450+0.6%+0.3 pts

10Butte-Silver Bow, MTMT35,469+1.6%−0.1 pts

11Anaconda-Deer Lodge County, MTMT9,709+1.9%+10.2 pts

12Billings, MTMT121,239+2.0%−8.7 pts

13Lewistown, MTMT6,179+2.3%+6.2 pts

14Orchard Homes, MTMT5,588+3.9%+53.5 pts

15Missoula, MTMT78,903+4.1%−28.8 pts

16Helena, MTMT35,138+4.8%−1.1 pts

17Bozeman, MTMT58,814+5.3%−16.1 pts

18Polson, MTMT5,653+5.4%−18.7 pts

19Columbia Falls, MTMT5,753+5.8%−11.9 pts

20Bigfork, MTMT5,565+8.7%–

21Livingston, MTMT9,290+9.2%+7.0 pts

22Hamilton, MTMT5,451+9.5%−25.9 pts

23Helena Valley Northwest, MTMT5,183+10.2%−59.0 pts

24Whitefish, MTMT9,358+12.9%−2.3 pts

25Belgrade, MTMT13,107+13.5%−54.4 pts

26Kalispell, MTMT31,851+16.1%−3.3 pts

27Evergreen, MTMT9,611+17.9%−33.3 pts

SHOWING 1–27 OF 27

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES