RANKING · 2010 CENSUS · 36 SHOWN OF 36

Highest Scotch-Irish population share, Oregon counties · 2010

Oregon counties ranked by the share of all residents who are Scotch-Irish ancestry (2023 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 36 counties in Oregon that qualify, ranked against each other statewide.

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

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2000

01Wallowa County, OROR7,5955.4%–

02Grant County, OROR7,0754.0%–

03Harney County, OROR7,3803.8%–

04Lake County, OROR8,1873.6%–

05Wheeler County, OROR1,4723.4%–

06Crook County, OROR27,5643.4%–

07Clatsop County, OROR40,9263.3%–

08Baker County, OROR16,6583.3%–

09Union County, OROR25,9003.1%–

10Douglas County, OROR111,9513.0%–

11Umatilla County, OROR81,1193.0%–

12Polk County, OROR90,0372.9%–

13Deschutes County, OROR213,0722.9%–

14Jackson County, OROR221,7952.9%–

15Coos County, OROR63,9922.8%–

16Clackamas County, OROR426,2802.8%–

17Linn County, OROR132,8432.7%–

18Josephine County, OROR87,8672.7%–

19Klamath County, OROR70,2742.6%–

20Lane County, OROR381,5842.6%–

21Yamhill County, OROR110,0242.5%–

22Tillamook County, OROR27,3842.5%–

23Morrow County, OROR12,6022.5%–

24Lincoln County, OROR50,6362.5%–

25Multnomah County, OROR795,3912.5%–

26Benton County, OROR97,7282.4%–

27Columbia County, OROR54,0912.4%–

28Washington County, OROR611,7082.4%–

29Wasco County, OROR26,3102.4%–

30Gilliam County, OROR1,9712.3%–

31Marion County, OROR355,7772.0%–

32Curry County, OROR22,6211.8%–

33Hood River County, OROR23,7201.8%–

34Malheur County, OROR32,2611.8%–

35Sherman County, OROR2,0511.7%–

36Jefferson County, OROR25,7400.9%–

SHOWING 1–36 OF 36

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