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 (1990 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 3.3%.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS –

01Caribou County, IDID7,2521.9%–

02Benewah County, IDID10,5082.0%–

03Gem County, IDID21,7732.2%–

04Oneida County, IDID5,0852.2%–

05Adams County, IDID5,0132.2%–

06Bear Lake County, IDID6,7272.4%–

07Clark County, IDID7832.5%–

08Minidoka County, IDID22,9112.6%–

09Fremont County, IDID14,2082.6%–

10Owyhee County, IDID12,6612.8%–

11Payette County, IDID27,8242.8%–

12Lemhi County, IDID8,4742.8%–

13Franklin County, IDID15,8893.0%–

14Camas County, IDID1,3163.0%–

15Lewis County, IDID3,7043.0%–

16Cassia County, IDID26,3973.0%–

17Shoshone County, IDID14,1303.0%–

18Teton County, IDID13,2543.1%–

19Clearwater County, IDID9,1183.1%–

20Butte County, IDID2,7833.3%–

21Power County, IDID8,2463.3%–

22Jerome County, IDID26,3623.3%–

23Lincoln County, IDID5,6033.3%–

24Canyon County, IDID275,1233.4%–

25Twin Falls County, IDID97,5393.4%–

26Washington County, IDID11,5833.4%–

27Idaho County, IDID17,8743.4%–

28Jefferson County, IDID35,2973.5%–

29Boundary County, IDID13,9973.5%–

30Bingham County, IDID51,1533.5%–

31Gooding County, IDID16,4463.7%–

32Custer County, IDID4,6364.1%–

33Bonner County, IDID54,4204.3%–

34Boise County, IDID8,5454.3%–

35Nez Perce County, IDID42,9054.5%–

36Kootenai County, IDID191,8644.5%–

37Elmore County, IDID29,4654.6%–

38Valley County, IDID12,8315.5%–

39Bannock County, IDID91,5916.4%–

40Bonneville County, IDID135,7717.2%–

41Ada County, IDID546,1417.4%–

42Madison County, IDID55,1727.5%–

43Blaine County, IDID25,5178.9%–

44Latah County, IDID41,84216.2%–

SHOWING 1–44 OF 44

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