RANKING · 2025 ACS · 19 SHOWN OF 19

Most densely populated, Montana cities

Montana cities ranked by residents per square mile (2023). This list covers the 19 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, MTMT7,2052,766+15%

02Bozeman, MTMT58,8142,751+114%

03Belgrade, MTMT13,1072,694+129%

04Billings, MTMT121,2392,660+35%

05Great Falls, MTMT60,2082,603+6%

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

07Miles City, MTMT8,4502,513−0%

08Kalispell, MTMT31,8512,511+124%

09Havre, MTMT9,2642,498−4%

10Missoula, MTMT78,9032,266+38%

11Hamilton, MTMT5,4512,143+47%

12Helena, MTMT35,1382,080+36%

13Sidney, MTMT6,2171,891+30%

14Livingston, MTMT9,2901,549+36%

15Whitefish, MTMT9,3581,303+86%

16Polson, MTMT5,6531,258+40%

17Lewistown, MTMT6,1791,080+6%

18Butte-Silver Bow, MTMT35,46950+5%

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

SHOWING 1–19 OF 19

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