RANKING · 2020 CENSUS · 33 SHOWN OF 33

Most segregated, Oregon counties · 2020

Oregon counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2020 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 33 counties in Oregon that qualify, ranked against each other statewide. The median across all 33 is 21.

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RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPSEGREGATION SCOREVS –

01Jefferson County, OROR25,74038–

02Tillamook County, OROR27,38434–

03Marion County, OROR355,77734–

04Morrow County, OROR12,60233–

05Polk County, OROR90,03729–

06Malheur County, OROR32,26128–

07Umatilla County, OROR81,11927–

08Washington County, OROR611,70825–

09Klamath County, OROR70,27425–

10Multnomah County, OROR795,39125–

11Crook County, OROR27,56425–

12Coos County, OROR63,99225–

13Jackson County, OROR221,79524–

14Deschutes County, OROR213,07223–

15Clackamas County, OROR426,28023–

16Lincoln County, OROR50,63622–

17Lane County, OROR381,58421–

18Josephine County, OROR87,86721–

19Linn County, OROR132,84321–

20Hood River County, OROR23,72020–

21Benton County, OROR97,72820–

22Yamhill County, OROR110,02419–

23Clatsop County, OROR40,92619–

24Douglas County, OROR111,95118–

25Lake County, OROR8,18716–

26Baker County, OROR16,65816–

27Grant County, OROR7,07515–

28Columbia County, OROR54,09114–

29Wallowa County, OROR7,59514–

30Curry County, OROR22,62114–

31Union County, OROR25,90013–

32Wasco County, OROR26,31012–

33Harney County, OROR7,38012–

SHOWING 1–33 OF 33

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