RANKING · 1990 CENSUS · 44 SHOWN OF 44

Least educated, Idaho counties · 1990

Idaho counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2023 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Gem County, IDID21,7738.6%−24%

02Owyhee County, IDID12,6618.7%−15%

03Benewah County, IDID10,5088.8%−23%

04Minidoka County, IDID22,9119.0%−11%

05Shoshone County, IDID14,1309.0%−13%

06Payette County, IDID27,8249.8%−8%

07Washington County, IDID11,58310.3%−19%

08Adams County, IDID5,01310.8%−28%

09Jerome County, IDID26,36211.0%−21%

10Fremont County, IDID14,20811.1%−8%

11Power County, IDID8,24611.1%−23%

12Bear Lake County, IDID6,72711.4%−2%

13Clearwater County, IDID9,11811.4%−14%

14Jefferson County, IDID35,29711.8%−23%

15Caribou County, IDID7,25211.8%−26%

16Lemhi County, IDID8,47411.8%−34%

17Lincoln County, IDID5,60311.9%−9%

18Canyon County, IDID275,12312.0%−20%

19Idaho County, IDID17,87412.7%−12%

20Oneida County, IDID5,08512.9%−14%

21Bingham County, IDID51,15313.1%−9%

22Lewis County, IDID3,70413.2%−11%

23Twin Falls County, IDID97,53913.3%−17%

24Gooding County, IDID16,44613.3%+10%

25Boundary County, IDID13,99713.3%−10%

26Butte County, IDID2,78313.5%+4%

27Cassia County, IDID26,39714.0%+0%

28Clark County, IDID78314.1%+12%

29Franklin County, IDID15,88914.3%+5%

30Boise County, IDID8,54514.4%−28%

31Camas County, IDID1,31615.0%−32%

32Bonner County, IDID54,42015.2%−10%

33Nez Perce County, IDID42,90515.6%−17%

34Custer County, IDID4,63615.6%−10%

35Elmore County, IDID29,46515.8%−9%

36Kootenai County, IDID191,86416.0%−16%

37Teton County, IDID13,25417.4%−38%

38Madison County, IDID55,17219.2%−21%

39Valley County, IDID12,83119.4%−26%

40Bannock County, IDID91,59119.8%−20%

41Bonneville County, IDID135,77123.2%−11%

42Ada County, IDID546,14124.9%−20%

43Blaine County, IDID25,51733.0%−24%

44Latah County, IDID41,84235.8%−13%

SHOWING 1–44 OF 44

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES