RANKING · 1990 CENSUS · 25 SHOWN OF 25

Youngest by median age, Montana cities · 1990

Montana cities with the youngest median age (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

RELATEDOldest 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

01Bozeman, MTMT58,81425.8+1%

02Belgrade, MTMT13,10728.5−2%

03Helena Valley Southeast, MTMT9,10829.3−7%

04Helena Valley Northwest, MTMT5,18330.4−14%

05Columbia Falls, MTMT5,75330.5−14%

06Missoula, MTMT78,90330.7+1%

07Lockwood, MTMT7,18131.0−9%

08Evergreen, MTMT9,61131.0−12%

09Orchard Homes, MTMT5,58832.5−18%

10Havre, MTMT9,26432.7−5%

11Helena Valley West Central, MTMT8,05633.1−13%

12Sidney, MTMT6,21733.3−15%

13Billings, MTMT121,23933.7−9%

14Great Falls, MTMT60,20834.4−9%

15Helena, MTMT35,13834.9−10%

16Miles City, MTMT8,45035.5−9%

17Whitefish, MTMT9,35835.6−5%

18Laurel, MTMT7,20535.6−7%

19Butte-Silver Bow, MTMT35,46935.9−8%

20Polson, MTMT5,65336.0−7%

21Kalispell, MTMT31,85136.5−3%

22Livingston, MTMT9,29037.8−6%

23Anaconda-Deer Lodge County, MTMT9,70938.2−10%

24Lewistown, MTMT6,17939.1−9%

25Hamilton, MTMT5,45147.3+7%

SHOWING 1–25 OF 25

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