RANKING · 2024 ACS · 36 SHOWN OF 36

Largest households, Idaho cities

Idaho cities ranked by average household size (2024 ACS). This list covers the 36 cities in Idaho that qualify, ranked against each other statewide. The median across all 36 is 2.71. Biggest climber in the top 100 since 2020: Fruitland, ID, up 11 places to #13.

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SAME RANKING BYCounties States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01▲2Rexburg, IDID40,3343.09−10%

02▲5Jerome, IDID13,7313.08+12%

03▲2Shelley, IDID5,3033.04−10%

04▼2Caldwell, IDID76,6293.01+6%

05▲4Ammon, IDID20,1192.99−1%

06▼2Kuna, IDID31,5252.95−10%

07▼1Middleton, IDID12,6002.95−1%

08▼7Kimberly, IDID5,7982.91+7%

09▲7Chubbuck, IDID16,8232.82−4%

10▲7Preston, IDID6,1772.80−6%

11Rupert, IDID6,4602.80+3%

12Star, IDID20,8742.80−16%

13▲11Fruitland, IDID7,2132.77+9%

14▲5Nampa, IDID120,3842.76−4%

15Burley, IDID12,4092.74+3%

16▼3Rigby, IDID5,7572.72−3%

17▲9Emmett, IDID8,9002.71+8%

18▲2Blackfoot, IDID13,3612.710%

19▼5Meridian, IDID142,9882.69−6%

20▼2Post Falls, IDID46,7152.69+3%

21▼11Rathdrum, IDID13,2272.69+8%

22Idaho Falls, IDID71,7852.68+2%

23▲4Payette, IDID8,8132.66−1%

24▲5Hayden, IDID17,3632.62+9%

25▼4Eagle, IDID34,6582.55−8%

26▲6Mountain Home, IDID16,7792.54−5%

27▼4Twin Falls, IDID56,2162.54−3%

28▼20Hailey, IDID10,0532.53+9%

29▲5Weiser, IDID6,2492.52−2%

30▼5Pocatello, IDID58,7712.46−3%

31Lewiston, IDID34,7172.35+2%

32▲1Coeur d'Alene, IDID58,1792.30+2%

33▼3Sandpoint, IDID10,6452.28+11%

34▼6Boise City, IDID238,4292.28−3%

35Moscow, IDID26,7212.21+3%

36Garden City, IDID13,0472.190%

SHOWING 1–36 OF 36

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES