CensusEasy
RANKING · 2024 ACS · 44 SHOWN OF 44

Least racially diverse, Idaho counties

Idaho counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2024 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 40.

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Least racially diverse by state
RANKPLACESTATEPOPDIVERSITY SCOREVS 1990
01Bear Lake County, IDID6,72716+162%
02Oneida County, IDID5,08519+324%
03Lemhi County, IDID8,47420+180%
04Caribou County, IDID7,25222+241%
05Valley County, IDID12,83123+195%
06Franklin County, IDID15,88924+218%
07Idaho County, IDID17,87425+193%
08Bonner County, IDID54,42025+237%
09Butte County, IDID2,78326+159%
10Shoshone County, IDID14,13026+154%
11Custer County, IDID4,63627+241%
12Clearwater County, IDID9,11828+161%
13Adams County, IDID5,01329+315%
14Jefferson County, IDID35,29732+83%
15Kootenai County, IDID191,86432+320%
16Nez Perce County, IDID42,90532+100%
17Latah County, IDID41,84235+217%
18Benewah County, IDID10,50836+65%
19Gem County, IDID21,77336+116%
20Boise County, IDID8,54536+407%
21Madison County, IDID55,17236+200%
22Fremont County, IDID14,20837+117%
23Lewis County, IDID3,70440+136%
24Boundary County, IDID13,99740+156%
25Ada County, IDID546,14142+253%
26Bonneville County, IDID135,77142+172%
27Bannock County, IDID91,59142+126%
28Teton County, IDID13,25442+120%
29Washington County, IDID11,58346+62%
30Camas County, IDID1,31649+1705%
31Payette County, IDID27,82449+114%
32Twin Falls County, IDID97,53950+186%
33Bingham County, IDID51,15352+44%
34Blaine County, IDID25,51754+456%
35Owyhee County, IDID12,66159+30%
36Elmore County, IDID29,46560+91%
37Canyon County, IDID275,12360+83%
38Cassia County, IDID26,39762+94%
39Gooding County, IDID16,44663+216%
40Lincoln County, IDID5,60363+342%
41Clark County, IDID78364+167%
42Power County, IDID8,24664+82%
43Minidoka County, IDID22,91164+57%
44Jerome County, IDID26,36265+303%
SHOWING 1–44 OF 44

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