RANKING · 2020 CENSUS · 27 SHOWN OF 27

Most sparsely populated, Montana cities · 2020

Montana cities with the fewest residents per square mile (2023). This list covers the 27 cities in Montana that qualify, ranked against each other statewide.

Flip the list · Most densely populated, US cities →

MontanaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most densely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Anaconda-Deer Lodge County, MTMT9,70913+0%

02Butte-Silver Bow, MTMT35,46948+2%

03Bigfork, MTMT5,565164+260%

04Helena Valley Northwest, MTMT5,183287+126%

05Helena Valley West Central, MTMT8,056328+24%

06Helena Valley Southeast, MTMT9,108427+28%

07Four Corners, MTMT5,791544+223%

08Lockwood, MTMT7,181560+67%

09Evergreen, MTMT9,611953+31%

10Orchard Homes, MTMT5,588957+3%

11Lewistown, MTMT6,1791,040+2%

12Whitefish, MTMT9,3581,080+54%

13Polson, MTMT5,6531,146+27%

14Livingston, MTMT9,2901,340+17%

15Hamilton, MTMT5,4511,831+26%

16Helena, MTMT35,1381,900+24%

17Sidney, MTMT6,2171,931+33%

18Kalispell, MTMT31,8511,936+73%

19Missoula, MTMT78,9032,111+29%

20Belgrade, MTMT13,1072,150+83%

21Columbia Falls, MTMT5,7532,327+46%

22Miles City, MTMT8,4502,485−2%

23Bozeman, MTMT58,8142,493+94%

24Havre, MTMT9,2642,524−3%

25Billings, MTMT121,2392,570+30%

26Great Falls, MTMT60,2082,613+7%

27Laurel, MTMT7,2052,772+15%

SHOWING 1–27 OF 27

Download CSV (full list, 27 rows)

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