RANKING · 1990 CENSUS · 36 SHOWN OF 36

Most racially diverse, Oregon counties · 1990

Oregon counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2023 ACS). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Malheur County, OROR32,26162+15%

02Jefferson County, OROR25,74061+41%

03Hood River County, OROR23,72046−11%

04Morrow County, OROR12,60242−13%

05Umatilla County, OROR81,11940+3%

06Multnomah County, OROR795,39135−19%

07Marion County, OROR355,77734−20%

08Washington County, OROR611,70828−34%

09Klamath County, OROR70,27427+23%

10Wasco County, OROR26,31027+10%

11Polk County, OROR90,03727+11%

12Yamhill County, OROR110,02426−8%

13Benton County, OROR97,72823−2%

14Lake County, OROR8,18719+26%

15Harney County, OROR7,38019+59%

16Jackson County, OROR221,79519+1%

17Lane County, OROR381,58417−7%

18Coos County, OROR63,99216+36%

19Clackamas County, OROR426,28014−27%

20Josephine County, OROR87,86714+9%

21Clatsop County, OROR40,92614−9%

22Lincoln County, OROR50,63614−9%

23Crook County, OROR27,56413−10%

24Curry County, OROR22,62113+18%

25Douglas County, OROR111,95113+29%

26Linn County, OROR132,84313−6%

27Columbia County, OROR54,09113+51%

28Grant County, OROR7,07511+92%

29Union County, OROR25,90011+18%

30Deschutes County, OROR213,07210−8%

31Tillamook County, OROR27,38410−31%

32Gilliam County, OROR1,9718+58%

33Baker County, OROR16,6588+12%

34Sherman County, OROR2,0517−42%

35Wallowa County, OROR7,5956+22%

36Wheeler County, OROR1,4724−68%

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