RANKING · 2020 CENSUS · 27 SHOWN OF 27

Oldest by median age, Montana cities · 2020

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, MTMT5,56555.2+9%

02Anaconda-Deer Lodge County, MTMT9,70949.4+17%

03Hamilton, MTMT5,45147.2+7%

04Orchard Homes, MTMT5,58844.7+13%

05Lewistown, MTMT6,17944.0+3%

06Polson, MTMT5,65343.9+14%

07Whitefish, MTMT9,35843.0+15%

08Livingston, MTMT9,29042.5+5%

09Helena Valley West Central, MTMT8,05642.2+11%

10Butte-Silver Bow, MTMT35,46941.7+7%

11Miles City, MTMT8,45039.8+2%

12Helena, MTMT35,13839.8+3%

13Great Falls, MTMT60,20839.3+4%

14Helena Valley Southeast, MTMT9,10838.9+24%

15Evergreen, MTMT9,61138.8+10%

16Laurel, MTMT7,20538.5+0%

17Columbia Falls, MTMT5,75338.5+8%

18Billings, MTMT121,23937.8+3%

19Kalispell, MTMT31,85137.7+0%

20Lockwood, MTMT7,18137.1+9%

21Four Corners, MTMT5,79136.7+0%

22Helena Valley Northwest, MTMT5,18336.7+4%

23Sidney, MTMT6,21736.7−6%

24Missoula, MTMT78,90335.0+16%

25Havre, MTMT9,26434.6+0%

26Belgrade, MTMT13,10732.1+10%

27Bozeman, MTMT58,81428.1+11%

SHOWING 1–27 OF 27

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