RANKING · 2020 CENSUS · 34 SHOWN OF 34

Largest Czech population, Oregon counties · 2020

Oregon counties ranked by the number of residents who are Czech ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 34 counties in Oregon that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Multnomah County, OROR795,3914,396−0%

02Washington County, OROR611,7082,745+5%

03Lane County, OROR381,5842,049+10%

04Clackamas County, OROR426,2801,810−15%

05Marion County, OROR355,7771,072−17%

06Jackson County, OROR221,795840−17%

07Deschutes County, OROR213,072790−11%

08Linn County, OROR132,843670+8%

09Josephine County, OROR87,867391−14%

10Benton County, OROR97,728363−47%

11Coos County, OROR63,992362+21%

12Douglas County, OROR111,951322−43%

13Yamhill County, OROR110,024299−68%

14Umatilla County, OROR81,119293−24%

15Klamath County, OROR70,274265−57%

16Columbia County, OROR54,091230−39%

17Clatsop County, OROR40,926184+8%

18Polk County, OROR90,037182−66%

19Wasco County, OROR26,310155−11%

20Union County, OROR25,900132−47%

21Lincoln County, OROR50,636127−60%

22Curry County, OROR22,621125+89%

23Hood River County, OROR23,72092−59%

24Crook County, OROR27,56470−61%

25Malheur County, OROR32,26170+30%

26Wallowa County, OROR7,59558+142%

27Morrow County, OROR12,60255+686%

28Baker County, OROR16,65846+100%

29Tillamook County, OROR27,38445−81%

30Jefferson County, OROR25,74043−69%

31Lake County, OROR8,18716−78%

32Grant County, OROR7,07510−87%

33Harney County, OROR7,3807−30%

34Sherman County, OROR2,0512–

SHOWING 1–34 OF 34

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS