RANKING · 2010 CENSUS · 44 SHOWN OF 44

Largest households, Idaho counties · 2010

Idaho counties ranked by average household size (2023 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCities 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 2000

01Madison County, IDID55,1723.49–

02Jefferson County, IDID35,2973.14–

03Bingham County, IDID51,1533.08–

04Franklin County, IDID15,8893.06–

05Jerome County, IDID26,3622.94–

06Canyon County, IDID275,1232.89–

07Cassia County, IDID26,3972.89–

08Power County, IDID8,2462.89–

09Fremont County, IDID14,2082.88–

10Minidoka County, IDID22,9112.86–

11Camas County, IDID1,3162.85–

12Bonneville County, IDID135,7712.81–

13Owyhee County, IDID12,6612.81–

14Elmore County, IDID29,4652.75–

15Gooding County, IDID16,4462.71–

16Lincoln County, IDID5,6032.70–

17Oneida County, IDID5,0852.70–

18Payette County, IDID27,8242.70–

19Twin Falls County, IDID97,5392.67–

20Bannock County, IDID91,5912.65–

21Boundary County, IDID13,9972.58–

22Clark County, IDID7832.57–

23Gem County, IDID21,7732.56–

24Ada County, IDID546,1412.55–

25Caribou County, IDID7,2522.51–

26Washington County, IDID11,5832.49–

27Teton County, IDID13,2542.47–

28Kootenai County, IDID191,8642.45–

29Butte County, IDID2,7832.42–

30Benewah County, IDID10,5082.39–

31Bear Lake County, IDID6,7272.37–

32Nez Perce County, IDID42,9052.37–

33Idaho County, IDID17,8742.32–

34Adams County, IDID5,0132.31–

35Boise County, IDID8,5452.30–

36Blaine County, IDID25,5172.29–

37Lewis County, IDID3,7042.28–

38Latah County, IDID41,8422.26–

39Custer County, IDID4,6362.23–

40Valley County, IDID12,8312.23–

41Bonner County, IDID54,4202.21–

42Lemhi County, IDID8,4742.21–

43Clearwater County, IDID9,1182.20–

44Shoshone County, IDID14,1302.20–

SHOWING 1–44 OF 44

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