RANKING · 2024 ACS · 36 SHOWN OF 36

Least racially diverse, Oregon counties

Oregon counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide.

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OregonAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Wallowa County, OROR7,59525+399%

02Baker County, OROR16,65828+280%

03Grant County, OROR7,07530+401%

04Crook County, OROR27,56432+116%

05Union County, OROR25,90032+240%

06Sherman County, OROR2,05132+153%

07Harney County, OROR7,38034+184%

08Columbia County, OROR54,09135+320%

09Douglas County, OROR111,95135+245%

10Deschutes County, OROR213,07236+219%

11Wheeler County, OROR1,47236+177%

12Josephine County, OROR87,86738+196%

13Curry County, OROR22,62139+246%

14Coos County, OROR63,99239+239%

15Tillamook County, OROR27,38440+179%

16Linn County, OROR132,84340+203%

17Clatsop County, OROR40,92642+182%

18Gilliam County, OROR1,97143+696%

19Lake County, OROR8,18745+190%

20Lincoln County, OROR50,63646+207%

21Lane County, OROR381,58446+158%

22Jackson County, OROR221,79548+151%

23Clackamas County, OROR426,28049+156%

24Benton County, OROR97,72850+110%

25Klamath County, OROR70,27452+133%

26Polk County, OROR90,03753+118%

27Yamhill County, OROR110,02454+92%

28Wasco County, OROR26,31056+127%

29Hood River County, OROR23,72065+27%

30Malheur County, OROR32,26165+20%

31Umatilla County, OROR81,11966+72%

32Multnomah County, OROR795,39168+59%

33Marion County, OROR355,77768+62%

34Morrow County, OROR12,60268+42%

35Jefferson County, OROR25,74073+69%

36Washington County, OROR611,70873+75%

SHOWING 1–36 OF 36

Download CSV (full list, 36 rows)How this score is calculated

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