RANKING · 1990 CENSUS · 44 SHOWN OF 44

Oldest housing stock, Idaho counties · 1990

Idaho counties ranked by oldest median year of construction (1990 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 1967.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS –

01Franklin County, IDID15,8891949–

02Oneida County, IDID5,0851949–

03Bear Lake County, IDID6,7271951–

04Shoshone County, IDID14,1301952–

05Lincoln County, IDID5,6031956–

06Camas County, IDID1,3161958–

07Lewis County, IDID3,7041958–

08Butte County, IDID2,7831959–

09Clark County, IDID7831960–

10Twin Falls County, IDID97,5391961–

11Caribou County, IDID7,2521962–

12Payette County, IDID27,8241962–

13Nez Perce County, IDID42,9051963–

14Cassia County, IDID26,3971964–

15Jerome County, IDID26,3621964–

16Washington County, IDID11,5831965–

17Idaho County, IDID17,8741966–

18Bannock County, IDID91,5911966–

19Latah County, IDID41,8421966–

20Clearwater County, IDID9,1181967–

21Bonneville County, IDID135,7711967–

22Gem County, IDID21,7731967–

23Minidoka County, IDID22,9111967–

24Teton County, IDID13,2541967–

25Gooding County, IDID16,4461968–

26Canyon County, IDID275,1231968–

27Bingham County, IDID51,1531969–

28Jefferson County, IDID35,2971969–

29Elmore County, IDID29,4651971–

30Adams County, IDID5,0131971–

31Benewah County, IDID10,5081971–

32Boundary County, IDID13,9971971–

33Fremont County, IDID14,2081971–

34Lemhi County, IDID8,4741971–

35Owyhee County, IDID12,6611971–

36Power County, IDID8,2461971–

37Ada County, IDID546,1411973–

38Bonner County, IDID54,4201973–

39Kootenai County, IDID191,8641973–

40Madison County, IDID55,1721973–

41Custer County, IDID4,6361974–

42Valley County, IDID12,8311974–

43Boise County, IDID8,5451975–

44Blaine County, IDID25,5171976–

SHOWING 1–44 OF 44

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