RANKING · 2024 ACS · 44 SHOWN OF 44

Oldest housing stock, Idaho counties

Idaho counties ranked by oldest median year of construction (2024 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 1980. Biggest climber in the top 100 since 2020: Idaho County, ID, up 12 places to #16.

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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

01Shoshone County, IDID14,13019590%

02Lewis County, IDID3,70419650%

03▲2Butte County, IDID2,7831971+1%

04▼1Oneida County, IDID5,0851971+1%

05▲8Caribou County, IDID7,2521972+1%

06▲1Nez Perce County, IDID42,9051973+1%

07▲1Bear Lake County, IDID6,7271974+1%

08▲1Cassia County, IDID26,3971975+1%

09▲1Franklin County, IDID15,8891975+1%

10▲1Power County, IDID8,24619750%

11▲7Washington County, IDID11,5831975+1%

12▲7Gooding County, IDID16,44619760%

13▼1Bannock County, IDID91,5911976+1%

14▼8Minidoka County, IDID22,91119760%

15▼11Clearwater County, IDID9,1181977+1%

16▲12Idaho County, IDID17,8741977+1%

17▼2Bingham County, IDID51,15319780%

18▼1Payette County, IDID27,8241978+1%

19▼5Benewah County, IDID10,50819790%

20▲5Clark County, IDID7831979+1%

21▲5Fremont County, IDID14,20819790%

22▲2Lemhi County, IDID8,47419790%

23▼1Latah County, IDID41,8421980+1%

24▼4Twin Falls County, IDID97,5391982+1%

25▼4Gem County, IDID21,7731983+1%

26▼3Jerome County, IDID26,3621983+1%

27Owyhee County, IDID12,6611984+1%

28▲1Bonneville County, IDID135,7711985+1%

29▼13Lincoln County, IDID5,6031985+1%

30Custer County, IDID4,6361986+1%

31▲2Adams County, IDID5,0131986+1%

32▲2Blaine County, IDID25,5171987+1%

33▼1Elmore County, IDID29,4651988+1%

34▲1Bonner County, IDID54,4201990+1%

35▲2Camas County, IDID1,3161991+2%

36▲2Boise County, IDID8,5451991+1%

37▼1Boundary County, IDID13,9971991+1%

38▲1Valley County, IDID12,8311992+1%

39▼8Jefferson County, IDID35,2971994+1%

40Kootenai County, IDID191,8641996+1%

41▲1Ada County, IDID546,1411997+1%

42▼1Canyon County, IDID275,1231999+2%

43▲1Teton County, IDID13,2542001+2%

44▼1Madison County, IDID55,1722002+1%

SHOWING 1–44 OF 44

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