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. The median across all 27 is 39.0. Biggest climber in the top 100 since 2020: Orchard Homes, MT, up 8 places to #16.

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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%

02▲1Havre, MTMT9,26432.1−7%

03▼1Belgrade, MTMT13,10733.3+14%

04▲1Four Corners, MTMT5,79134.1−7%

05▼1Missoula, MTMT78,90334.7+15%

06Helena Valley Northwest, MTMT5,18335.7+1%

07▲2Kalispell, MTMT31,85136.2−4%

08▲4Columbia Falls, MTMT5,75336.6+3%

09▲2Laurel, MTMT7,20537.1−3%

10▼3Sidney, MTMT6,21737.3−5%

11▼3Lockwood, MTMT7,18137.5+11%

12▲1Evergreen, MTMT9,61137.8+7%

13▼3Billings, MTMT121,23938.8+5%

14▲1Great Falls, MTMT60,20839.0+3%

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

16▲8Orchard Homes, MTMT5,58840.1+2%

17Helena, MTMT35,13840.5+4%

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

19▼5Helena Valley Southeast, MTMT9,10841.3+32%

20▼4Miles City, MTMT8,45042.6+10%

21▲1Polson, MTMT5,65343.0+11%

22▼2Livingston, MTMT9,29043.8+9%

23▼2Whitefish, MTMT9,35844.4+19%

24▼1Lewistown, MTMT6,17944.7+4%

25▲1Anaconda-Deer Lodge County, MTMT9,70949.9+18%

26▼1Hamilton, MTMT5,45151.8+17%

27Bigfork, MTMT5,56553.9+7%

SHOWING 1–27 OF 27

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES