RANKING · 2010 CENSUS · 16 SHOWN OF 16

Highest Costa Rican population share, Washington counties · 2010

Washington counties ranked by the share of all residents who are Costa Rican origin (2023 American Community Survey). A concentration measure: Costa Rican residents as a percentage of total population. This list covers the 16 counties in Washington that qualify, ranked against each other statewide.

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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 2000

01Clark County, WAWA532,1190.1%–

02Clallam County, WAWA78,2020.0%–

03King County, WAWA2,344,9390.0%–

04Whitman County, WAWA48,5120.0%–

05Kitsap County, WAWA283,3740.0%–

06Snohomish County, WAWA870,6560.0%–

07Grant County, WAWA105,7270.0%–

08Spokane County, WAWA558,3440.0%–

09Grays Harbor County, WAWA78,1440.0%–

10Island County, WAWA85,6570.0%–

11Pierce County, WAWA946,2880.0%–

12Benton County, WAWA221,7220.0%–

13Thurston County, WAWA304,2610.0%–

14Yakima County, WAWA259,1850.0%–

15Walla Walla County, WAWA62,3610.0%–

16Skagit County, WAWA132,9750.0%–

SHOWING 1–16 OF 16

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