RANKING · 1990 CENSUS · 44 SHOWN OF 44

Fewest graduate degrees, Idaho counties · 1990

Idaho counties with the smallest share of adults 25+ holding a graduate or professional degree (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

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Caribou County, IDID7,2521.9%−45%

02Benewah County, IDID10,5082.0%−35%

03Gem County, IDID21,7732.2%−22%

04Oneida County, IDID5,0852.2%−24%

05Adams County, IDID5,0132.2%−54%

06Bear Lake County, IDID6,7272.4%−19%

07Clark County, IDID7832.5%−19%

08Minidoka County, IDID22,9112.6%−15%

09Fremont County, IDID14,2082.6%−4%

10Owyhee County, IDID12,6612.8%+5%

11Payette County, IDID27,8242.8%−2%

12Lemhi County, IDID8,4742.8%−49%

13Franklin County, IDID15,8893.0%−9%

14Camas County, IDID1,3163.0%−39%

15Lewis County, IDID3,7043.0%−20%

16Cassia County, IDID26,3973.0%−38%

17Shoshone County, IDID14,1303.0%−3%

18Teton County, IDID13,2543.1%−62%

19Clearwater County, IDID9,1183.1%−26%

20Butte County, IDID2,7833.3%−14%

21Power County, IDID8,2463.3%−7%

22Jerome County, IDID26,3623.3%−19%

23Lincoln County, IDID5,6033.3%−5%

24Canyon County, IDID275,1233.4%−26%

25Twin Falls County, IDID97,5393.4%−35%

26Washington County, IDID11,5833.4%+18%

27Idaho County, IDID17,8743.4%−9%

28Jefferson County, IDID35,2973.5%−6%

29Boundary County, IDID13,9973.5%−38%

30Bingham County, IDID51,1533.5%−5%

31Gooding County, IDID16,4463.7%+5%

32Custer County, IDID4,6364.1%−10%

33Bonner County, IDID54,4204.3%−23%

34Boise County, IDID8,5454.3%−37%

35Nez Perce County, IDID42,9054.5%−13%

36Kootenai County, IDID191,8644.5%−25%

37Elmore County, IDID29,4654.6%−21%

38Valley County, IDID12,8315.5%−30%

39Bannock County, IDID91,5916.4%−25%

40Bonneville County, IDID135,7717.2%−19%

41Ada County, IDID546,1417.4%−22%

42Madison County, IDID55,1727.5%−25%

43Blaine County, IDID25,5178.9%−31%

44Latah County, IDID41,84216.2%−11%

SHOWING 1–44 OF 44

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