RANKING · 1990 CENSUS · 44 SHOWN OF 44

Most graduate degrees, Idaho counties · 1990

Idaho counties ranked by the 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 –

01Latah County, IDID41,84216.2%–

02Blaine County, IDID25,5178.9%–

03Madison County, IDID55,1727.5%–

04Ada County, IDID546,1417.4%–

05Bonneville County, IDID135,7717.2%–

06Bannock County, IDID91,5916.4%–

07Valley County, IDID12,8315.5%–

08Elmore County, IDID29,4654.6%–

09Kootenai County, IDID191,8644.5%–

10Nez Perce County, IDID42,9054.5%–

11Boise County, IDID8,5454.3%–

12Bonner County, IDID54,4204.3%–

13Custer County, IDID4,6364.1%–

14Gooding County, IDID16,4463.7%–

15Bingham County, IDID51,1533.5%–

16Boundary County, IDID13,9973.5%–

17Jefferson County, IDID35,2973.5%–

18Idaho County, IDID17,8743.4%–

19Washington County, IDID11,5833.4%–

20Twin Falls County, IDID97,5393.4%–

21Canyon County, IDID275,1233.4%–

22Lincoln County, IDID5,6033.3%–

23Jerome County, IDID26,3623.3%–

24Power County, IDID8,2463.3%–

25Butte County, IDID2,7833.3%–

26Clearwater County, IDID9,1183.1%–

27Teton County, IDID13,2543.1%–

28Shoshone County, IDID14,1303.0%–

29Cassia County, IDID26,3973.0%–

30Lewis County, IDID3,7043.0%–

31Camas County, IDID1,3163.0%–

32Franklin County, IDID15,8893.0%–

33Lemhi County, IDID8,4742.8%–

34Payette County, IDID27,8242.8%–

35Owyhee County, IDID12,6612.8%–

36Fremont County, IDID14,2082.6%–

37Minidoka County, IDID22,9112.6%–

38Clark County, IDID7832.5%–

39Bear Lake County, IDID6,7272.4%–

40Adams County, IDID5,0132.2%–

41Oneida County, IDID5,0852.2%–

42Gem County, IDID21,7732.2%–

43Benewah County, IDID10,5082.0%–

44Caribou County, IDID7,2521.9%–

SHOWING 1–44 OF 44

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