RANKING · 2020 CENSUS · 27 SHOWN OF 27

Most densely populated, Montana cities · 2020

Montana cities ranked by residents per square mile (2023). 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 growing Fastest shrinking Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Laurel, MTMT7,2052,772+15%

02Great Falls, MTMT60,2082,613+7%

03Billings, MTMT121,2392,570+30%

04Havre, MTMT9,2642,524−3%

05Bozeman, MTMT58,8142,493+94%

06Miles City, MTMT8,4502,485−2%

07Columbia Falls, MTMT5,7532,327+46%

08Belgrade, MTMT13,1072,150+83%

09Missoula, MTMT78,9032,111+29%

10Kalispell, MTMT31,8511,936+73%

11Sidney, MTMT6,2171,931+33%

12Helena, MTMT35,1381,900+24%

13Hamilton, MTMT5,4511,831+26%

14Livingston, MTMT9,2901,340+17%

15Polson, MTMT5,6531,146+27%

16Whitefish, MTMT9,3581,080+54%

17Lewistown, MTMT6,1791,040+2%

18Orchard Homes, MTMT5,588957+3%

19Evergreen, MTMT9,611953+31%

20Lockwood, MTMT7,181560+67%

21Four Corners, MTMT5,791544+223%

22Helena Valley Southeast, MTMT9,108427+28%

23Helena Valley West Central, MTMT8,056328+24%

24Helena Valley Northwest, MTMT5,183287+126%

25Bigfork, MTMT5,565164+260%

26Butte-Silver Bow, MTMT35,46948+2%

27Anaconda-Deer Lodge County, MTMT9,70913+0%

SHOWING 1–27 OF 27

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