RANKING · 2024 ACS · 27 SHOWN OF 27

Largest households, Montana cities

Montana cities ranked by average household size (2024 ACS). This list covers the 27 cities in Montana that qualify, ranked against each other statewide.

MontanaAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Helena Valley Northwest, MTMT5,1833.08+14%

02Evergreen, MTMT9,6112.85+18%

03Helena Valley West Central, MTMT8,0562.72+2%

04Four Corners, MTMT5,7912.71+5%

05Lockwood, MTMT7,1812.68−1%

06Helena Valley Southeast, MTMT9,1082.59−2%

07Columbia Falls, MTMT5,7532.48−9%

08Belgrade, MTMT13,1072.44−2%

09Sidney, MTMT6,2172.44+13%

10Kalispell, MTMT31,8512.36+4%

11Orchard Homes, MTMT5,5882.35−21%

12Havre, MTMT9,2642.35−2%

13Bigfork, MTMT5,5652.30+1%

14Laurel, MTMT7,2052.28−1%

15Billings, MTMT121,2392.28+0%

16Polson, MTMT5,6532.24+1%

17Miles City, MTMT8,4502.23+1%

18Butte-Silver Bow, MTMT35,4692.23+2%

19Great Falls, MTMT60,2082.21−4%

20Bozeman, MTMT58,8142.17+3%

21Missoula, MTMT78,9032.10−4%

22Helena, MTMT35,1382.04+1%

23Lewistown, MTMT6,1792.03−2%

24Livingston, MTMT9,2902.01−3%

25Whitefish, MTMT9,3582.00−6%

26Anaconda-Deer Lodge County, MTMT9,7091.97+3%

27Hamilton, MTMT5,4511.74−10%

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES