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Newest housing stock, Idaho counties · 2020

Idaho counties ranked by median year housing was built (2020 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 1979.

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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

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Madison County, IDID55,1722000+1%

02Teton County, IDID13,2542000+2%

03Canyon County, IDID275,1231994+1%

04Ada County, IDID546,1411994+1%

05Kootenai County, IDID191,8641993+1%

06Valley County, IDID12,8311991+1%

07Camas County, IDID1,3161990+2%

08Boise County, IDID8,5451990+1%

09Boundary County, IDID13,9971989+1%

10Bonner County, IDID54,4201988+1%

11Blaine County, IDID25,5171987+1%

12Elmore County, IDID29,4651986+1%

13Adams County, IDID5,0131986+1%

14Jefferson County, IDID35,2971985+1%

15Custer County, IDID4,63619830%

16Bonneville County, IDID135,7711982+1%

17Idaho County, IDID17,8741981+1%

18Clark County, IDID7831980+1%

19Fremont County, IDID14,20819800%

20Owyhee County, IDID12,66119800%

21Jerome County, IDID26,3621979+1%

22Lemhi County, IDID8,47419790%

23Twin Falls County, IDID97,5391978+1%

24Gem County, IDID21,7731978+1%

25Latah County, IDID41,8421978+1%

26Gooding County, IDID16,44619770%

27Benewah County, IDID10,50819760%

28Bingham County, IDID51,15319760%

29Lincoln County, IDID5,6031976+1%

30Payette County, IDID27,8241976+1%

31Washington County, IDID11,5831976+1%

32Bannock County, IDID91,59119750%

33Caribou County, IDID7,2521975+1%

34Cassia County, IDID26,3971974+1%

35Franklin County, IDID15,8891974+1%

36Power County, IDID8,24619740%

37Bear Lake County, IDID6,7271973+1%

38Minidoka County, IDID22,91119720%

39Nez Perce County, IDID42,90519720%

40Clearwater County, IDID9,11819710%

41Butte County, IDID2,7831971+1%

42Oneida County, IDID5,0851970+1%

43Lewis County, IDID3,7041968+1%

44Shoshone County, IDID14,13019570%

SHOWING 1–44 OF 44

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS