RANKING · 1990 CENSUS · 36 SHOWN OF 36

Least educated, Oregon counties · 1990

Oregon counties with the smallest share of adults 25+ holding a bachelor's degree or higher (1990 ACS). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide. The median across all 36 is 14.5%.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS –

01Crook County, OROR27,56410.1%–

02Wheeler County, OROR1,47210.7%–

03Columbia County, OROR54,09111.0%–

04Linn County, OROR132,84311.0%–

05Douglas County, OROR111,95111.7%–

06Morrow County, OROR12,60211.8%–

07Josephine County, OROR87,86712.0%–

08Jefferson County, OROR25,74012.2%–

09Coos County, OROR63,99212.3%–

10Klamath County, OROR70,27412.4%–

11Grant County, OROR7,07512.5%–

12Curry County, OROR22,62112.8%–

13Malheur County, OROR32,26113.1%–

14Tillamook County, OROR27,38413.1%–

15Baker County, OROR16,65813.3%–

16Umatilla County, OROR81,11913.3%–

17Harney County, OROR7,38014.1%–

18Wasco County, OROR26,31014.5%–

19Lake County, OROR8,18714.5%–

20Wallowa County, OROR7,59515.7%–

21Lincoln County, OROR50,63616.7%–

22Clatsop County, OROR40,92616.7%–

23Union County, OROR25,90017.0%–

24Yamhill County, OROR110,02417.1%–

25Marion County, OROR355,77717.5%–

26Jackson County, OROR221,79517.6%–

27Hood River County, OROR23,72018.0%–

28Gilliam County, OROR1,97118.7%–

29Deschutes County, OROR213,07218.9%–

30Sherman County, OROR2,05118.9%–

31Polk County, OROR90,03721.2%–

32Lane County, OROR381,58422.2%–

33Clackamas County, OROR426,28023.6%–

34Multnomah County, OROR795,39123.7%–

35Washington County, OROR611,70829.8%–

36Benton County, OROR97,72841.3%–

SHOWING 1–36 OF 36

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