RANKING · 1990 CENSUS · 44 SHOWN OF 44

Least racially diverse, Idaho counties · 1990

Name: Least racially diverse, Idaho counties, 1990
Creator: CensusEasy
License: https://creativecommons.org/licenses/by/4.0/

Idaho counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (1990 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 16.

Flip the list · Most racially diverse, US counties →

IdahoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Camas County, IDID1,3163–

02Oneida County, IDID5,0855–

03Bear Lake County, IDID6,7276–

04Caribou County, IDID7,2526–

05Adams County, IDID5,0137–

06Lemhi County, IDID8,4747–

07Boise County, IDID8,5457–

08Bonner County, IDID54,4207–

09Franklin County, IDID15,8898–

10Kootenai County, IDID191,8648–

11Valley County, IDID12,8318–

12Custer County, IDID4,6368–

13Idaho County, IDID17,8749–

14Blaine County, IDID25,51710–

15Butte County, IDID2,78310–

16Shoshone County, IDID14,13010–

17Clearwater County, IDID9,11811–

18Latah County, IDID41,84211–

19Ada County, IDID546,14112–

20Madison County, IDID55,17212–

21Lincoln County, IDID5,60314–

22Bonneville County, IDID135,77115–

23Boundary County, IDID13,99716–

24Jerome County, IDID26,36216–

25Nez Perce County, IDID42,90516–

26Lewis County, IDID3,70417–

27Gem County, IDID21,77317–

28Fremont County, IDID14,20817–

29Jefferson County, IDID35,29717–

30Twin Falls County, IDID97,53917–

31Bannock County, IDID91,59119–

32Teton County, IDID13,25419–

33Gooding County, IDID16,44620–

34Benewah County, IDID10,50822–

35Payette County, IDID27,82423–

36Clark County, IDID78324–

37Washington County, IDID11,58328–

38Elmore County, IDID29,46531–

39Cassia County, IDID26,39732–

40Canyon County, IDID275,12333–

41Power County, IDID8,24635–

42Bingham County, IDID51,15336–

43Minidoka County, IDID22,91141–

44Owyhee County, IDID12,66145–

SHOWING 1–44 OF 44

Download CSV (full list, 44 rows)How this score is calculated

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