RANKING · 2010 CENSUS · 27 SHOWN OF 27

Oldest by median age, Montana cities · 2010

Montana cities ranked by median age of residents (2023 ACS). This list covers the 27 cities in Montana that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros ZIP codes

RELATEDYoungest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Bigfork, MTMT5,56550.9+1%

02Anaconda-Deer Lodge County, MTMT9,70946.0+9%

03Lewistown, MTMT6,17945.4+6%

04Orchard Homes, MTMT5,58843.4+10%

05Hamilton, MTMT5,45143.0−3%

06Butte-Silver Bow, MTMT35,46941.3+6%

07Livingston, MTMT9,29041.1+2%

08Helena Valley West Central, MTMT8,05640.8+8%

09Miles City, MTMT8,45040.6+4%

10Helena, MTMT35,13840.3+4%

11Whitefish, MTMT9,35840.1+8%

12Polson, MTMT5,65340.0+4%

13Sidney, MTMT6,21739.3+1%

14Great Falls, MTMT60,20839.0+3%

15Evergreen, MTMT9,61137.8+7%

16Billings, MTMT121,23937.5+2%

17Laurel, MTMT7,20537.0−4%

18Lockwood, MTMT7,18135.8+6%

19Columbia Falls, MTMT5,75335.6−0%

20Helena Valley Northwest, MTMT5,18335.0−1%

21Four Corners, MTMT5,79134.9−5%

22Helena Valley Southeast, MTMT9,10834.6+10%

23Kalispell, MTMT31,85134.5−8%

24Havre, MTMT9,26433.9−2%

25Missoula, MTMT78,90330.9+2%

26Belgrade, MTMT13,10730.8+6%

27Bozeman, MTMT58,81427.2+7%

SHOWING 1–27 OF 27

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