RANKING · 2020 CENSUS · 23 SHOWN OF 23

Highest Iranian population share, Washington counties · 2020

Washington counties ranked by the share of all residents who are Iranian ancestry (2023 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 23 counties in Washington 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

Highest Iranian population share by state

RANKPLACESTATEPOPIRANIAN SHAREVS 2000

01King County, WAWA2,344,9390.4%–

02Whitman County, WAWA48,5120.3%–

03Snohomish County, WAWA870,6560.3%–

04Kittitas County, WAWA48,8030.2%–

05Whatcom County, WAWA236,3920.1%–

06Clark County, WAWA532,1190.1%–

07Benton County, WAWA221,7220.1%–

08Pierce County, WAWA946,2880.1%–

09Skagit County, WAWA132,9750.1%–

10Thurston County, WAWA304,2610.1%–

11Kitsap County, WAWA283,3740.0%–

12Cowlitz County, WAWA114,8850.0%–

13Spokane County, WAWA558,3440.0%–

14Jefferson County, WAWA33,9700.0%–

15Walla Walla County, WAWA62,3610.0%–

16Clallam County, WAWA78,2020.0%–

17Yakima County, WAWA259,1850.0%–

18San Juan County, WAWA18,5770.0%–

19Skamania County, WAWA12,6690.0%–

20Island County, WAWA85,6570.0%–

21Douglas County, WAWA46,4730.0%–

22Chelan County, WAWA81,9410.0%–

23Mason County, WAWA71,1650.0%–

SHOWING 1–23 OF 23

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