RANKING · 2020 CENSUS · 36 SHOWN OF 36

Least racially diverse, Oregon counties · 2020

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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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Wallowa County, OROR7,59519+270%

02Grant County, OROR7,07521+252%

03Baker County, OROR16,65823+215%

04Wheeler County, OROR1,47226+95%

05Union County, OROR25,90027+189%

06Sherman County, OROR2,05128+114%

07Crook County, OROR27,56428+90%

08Douglas County, OROR111,95130+195%

09Columbia County, OROR54,09130+262%

10Gilliam County, OROR1,97130+465%

11Harney County, OROR7,38031+154%

12Deschutes County, OROR213,07232+182%

13Curry County, OROR22,62134+201%

14Josephine County, OROR87,86734+165%

15Coos County, OROR63,99235+200%

16Linn County, OROR132,84336+173%

17Tillamook County, OROR27,38437+156%

18Lake County, OROR8,18738+147%

19Clatsop County, OROR40,92638+157%

20Lincoln County, OROR50,63642+182%

21Lane County, OROR381,58443+138%

22Jackson County, OROR221,79544+133%

23Clackamas County, OROR426,28045+133%

24Benton County, OROR97,72846+95%

25Klamath County, OROR70,27448+115%

26Polk County, OROR90,03749+104%

27Yamhill County, OROR110,02450+76%

28Wasco County, OROR26,31054+117%

29Hood River County, OROR23,72062+21%

30Malheur County, OROR32,26164+18%

31Umatilla County, OROR81,11964+67%

32Multnomah County, OROR795,39165+52%

33Marion County, OROR355,77765+56%

34Morrow County, OROR12,60266+37%

35Washington County, OROR611,70870+69%

36Jefferson County, OROR25,74071+64%

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