RANKING · 2024 ACS · 27 SHOWN OF 27

Youngest by median age, Montana cities

Montana cities with the youngest median age (2024 ACS). 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 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, MTMT58,81428.9+14%

02Havre, MTMT9,26432.1−7%

03Belgrade, MTMT13,10733.3+14%

04Four Corners, MTMT5,79134.1−7%

05Missoula, MTMT78,90334.7+15%

06Helena Valley Northwest, MTMT5,18335.7+1%

07Kalispell, MTMT31,85136.2−4%

08Columbia Falls, MTMT5,75336.6+3%

09Laurel, MTMT7,20537.1−3%

10Sidney, MTMT6,21737.3−5%

11Lockwood, MTMT7,18137.5+11%

12Evergreen, MTMT9,61137.8+7%

13Billings, MTMT121,23938.8+5%

14Great Falls, MTMT60,20839.0+3%

15Helena Valley West Central, MTMT8,05639.3+4%

16Orchard Homes, MTMT5,58840.1+2%

17Helena, MTMT35,13840.5+4%

18Butte-Silver Bow, MTMT35,46940.6+4%

19Helena Valley Southeast, MTMT9,10841.3+32%

20Miles City, MTMT8,45042.6+10%

21Polson, MTMT5,65343.0+11%

22Livingston, MTMT9,29043.8+9%

23Whitefish, MTMT9,35844.4+19%

24Lewistown, MTMT6,17944.7+4%

25Anaconda-Deer Lodge County, MTMT9,70949.9+18%

26Hamilton, MTMT5,45151.8+17%

27Bigfork, MTMT5,56553.9+7%

SHOWING 1–27 OF 27

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES