RANKING · 2024 ACS · 19 SHOWN OF 19

Highest Costa Rican population share, Oregon counties

Oregon counties ranked by the share of all residents who are Costa Rican origin (2024 American Community Survey). A concentration measure: Costa Rican residents as a percentage of total population. This list covers the 19 counties in Oregon that qualify, ranked against each other statewide. The median across all 19 is 0.1%. Biggest climber in the top 100 since 2020: Washington County, OR, up 5 places to #1.

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RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

Highest Costa Rican population share by state

RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2010

01▲5Washington County, OROR611,7080.1%+0.1 pts

02Jackson County, OROR221,7950.1%–

03Polk County, OROR90,0370.1%–

04Josephine County, OROR87,8670.1%+0.1 pts

05Yamhill County, OROR110,0240.1%–

06Klamath County, OROR70,2740.1%–

07Jefferson County, OROR25,7400.1%–

08Deschutes County, OROR213,0720.1%0.0 pts

09Lake County, OROR8,1870.1%–

10▼1Multnomah County, OROR795,3910.1%0.0 pts

11Columbia County, OROR54,0910.0%0.0 pts

12▼2Clackamas County, OROR426,2800.0%0.0 pts

13▼6Lane County, OROR381,5840.0%0.0 pts

14▼3Linn County, OROR132,8430.0%0.0 pts

15Umatilla County, OROR81,1190.0%0.0 pts

16▼4Marion County, OROR355,7770.0%0.0 pts

17Benton County, OROR97,7280.0%0.0 pts

18Malheur County, OROR32,2610.0%0.0 pts

19Douglas County, OROR111,9510.0%–

SHOWING 1–19 OF 19

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES