RANKING · 2020 CENSUS · 38 SHOWN OF 38

Most segregated, Idaho counties · 2020

Idaho counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2020 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 38 counties in Idaho that qualify, ranked against each other statewide. The median across all 38 is 21.

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RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPSEGREGATION SCOREVS –

01Valley County, IDID12,83139–

02Benewah County, IDID10,50835–

03Nez Perce County, IDID42,90534–

04Bingham County, IDID51,15332–

05Kootenai County, IDID191,86431–

06Gooding County, IDID16,44629–

07Blaine County, IDID25,51728–

08Bonneville County, IDID135,77128–

09Teton County, IDID13,25426–

10Cassia County, IDID26,39725–

11Bannock County, IDID91,59123–

12Canyon County, IDID275,12323–

13Ada County, IDID546,14123–

14Boundary County, IDID13,99723–

15Jefferson County, IDID35,29722–

16Madison County, IDID55,17222–

17Lemhi County, IDID8,47422–

18Franklin County, IDID15,88921–

19Twin Falls County, IDID97,53921–

20Clearwater County, IDID9,11820–

21Latah County, IDID41,84220–

22Washington County, IDID11,58320–

23Lewis County, IDID3,70420–

24Gem County, IDID21,77319–

25Bonner County, IDID54,42019–

26Jerome County, IDID26,36218–

27Power County, IDID8,24617–

28Idaho County, IDID17,87416–

29Owyhee County, IDID12,66114–

30Elmore County, IDID29,46514–

31Caribou County, IDID7,25214–

32Bear Lake County, IDID6,72713–

33Boise County, IDID8,54512–

34Shoshone County, IDID14,13012–

35Minidoka County, IDID22,91111–

36Payette County, IDID27,82410–

37Adams County, IDID5,01310–

38Fremont County, IDID14,2089–

SHOWING 1–38 OF 38

Download CSV (full list, 38 rows)How this score is calculated

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