RANKING · 2025 ESTIMATES · 19 SHOWN OF 19

Most densely populated, Montana cities

Montana cities ranked by residents per square mile (2025). This list covers the 19 cities in Montana that qualify, ranked against each other statewide. The median across all 19 is 2,266. Biggest climber in the top 100 since 2020: Butte-Silver Bow, MT, up 8 places to #18.

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MontanaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

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

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Laurel, MTMT7,2052,766+15%

02▲3Bozeman, MTMT58,8142,751+114%

03▲5Belgrade, MTMT13,1072,694+129%

04▼1Billings, MTMT121,2392,660+35%

05▼3Great Falls, MTMT60,2082,603+6%

06▲1Columbia Falls, MTMT5,7532,522+58%

07▼1Miles City, MTMT8,4502,5130%

08▲2Kalispell, MTMT31,8512,511+124%

09▼5Havre, MTMT9,2642,498−4%

10▼1Missoula, MTMT78,9032,266+38%

11▲2Hamilton, MTMT5,4512,143+47%

12Helena, MTMT35,1382,080+36%

13▼2Sidney, MTMT6,2171,891+30%

14Livingston, MTMT9,2901,549+36%

15▲1Whitefish, MTMT9,3581,303+86%

16▼1Polson, MTMT5,6531,258+40%

17Lewistown, MTMT6,1791,080+6%

18▲8Butte-Silver Bow, MTMT35,46950+5%

19▲8Anaconda-Deer Lodge County, MTMT9,70913+3%

SHOWING 1–19 OF 19

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES