RANKING · 2010 CENSUS · 27 SHOWN OF 27

Youngest by median age, Montana cities · 2010

Montana cities with the youngest median age (2010 ACS). This list covers the 27 cities in Montana that qualify, ranked against each other statewide. The median across all 27 is 39.0.

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MontanaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Bozeman, MTMT58,81427.2+7%

02Belgrade, MTMT13,10730.8+6%

03Missoula, MTMT78,90330.9+2%

04Havre, MTMT9,26433.9−2%

05Kalispell, MTMT31,85134.5−8%

06Helena Valley Southeast, MTMT9,10834.6+10%

07Four Corners, MTMT5,79134.9−5%

08Helena Valley Northwest, MTMT5,18335.0−1%

09Columbia Falls, MTMT5,75335.60%

10Lockwood, MTMT7,18135.8+6%

11Laurel, MTMT7,20537.0−4%

12Billings, MTMT121,23937.5+2%

13Evergreen, MTMT9,61137.8+7%

14Great Falls, MTMT60,20839.0+3%

15Sidney, MTMT6,21739.3+1%

16Polson, MTMT5,65340.0+4%

17Whitefish, MTMT9,35840.1+8%

18Helena, MTMT35,13840.3+4%

19Miles City, MTMT8,45040.6+4%

20Helena Valley West Central, MTMT8,05640.8+8%

21Livingston, MTMT9,29041.1+2%

22Butte-Silver Bow, MTMT35,46941.3+6%

23Hamilton, MTMT5,45143.0−3%

24Orchard Homes, MTMT5,58843.4+10%

25Lewistown, MTMT6,17945.4+6%

26Anaconda-Deer Lodge County, MTMT9,70946.0+9%

27Bigfork, MTMT5,56550.9+1%

SHOWING 1–27 OF 27

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS