RANKING · 1990 CENSUS · 25 SHOWN OF 25

Oldest by median age, Montana cities · 1990

Montana cities ranked by median age of residents (2023 ACS). This list covers the 25 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

01Hamilton, MTMT5,45147.3+7%

02Lewistown, MTMT6,17939.1−9%

03Anaconda-Deer Lodge County, MTMT9,70938.2−10%

04Livingston, MTMT9,29037.8−6%

05Kalispell, MTMT31,85136.5−3%

06Polson, MTMT5,65336.0−7%

07Butte-Silver Bow, MTMT35,46935.9−8%

08Laurel, MTMT7,20535.6−7%

09Whitefish, MTMT9,35835.6−5%

10Miles City, MTMT8,45035.5−9%

11Helena, MTMT35,13834.9−10%

12Great Falls, MTMT60,20834.4−9%

13Billings, MTMT121,23933.7−9%

14Sidney, MTMT6,21733.3−15%

15Helena Valley West Central, MTMT8,05633.1−13%

16Havre, MTMT9,26432.7−5%

17Orchard Homes, MTMT5,58832.5−18%

18Evergreen, MTMT9,61131.0−12%

19Lockwood, MTMT7,18131.0−9%

20Missoula, MTMT78,90330.7+1%

21Columbia Falls, MTMT5,75330.5−14%

22Helena Valley Northwest, MTMT5,18330.4−14%

23Helena Valley Southeast, MTMT9,10829.3−7%

24Belgrade, MTMT13,10728.5−2%

25Bozeman, MTMT58,81425.8+1%

SHOWING 1–25 OF 25

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