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 (2020 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.

Iranian Americans: full group profile →

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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 2010

01King County, WAWA2,344,9390.4%+0.1 pts

02Whitman County, WAWA48,5120.3%+0.2 pts

03Snohomish County, WAWA870,6560.3%+0.1 pts

04Kittitas County, WAWA48,8030.2%+0.1 pts

05Whatcom County, WAWA236,3920.1%−0.0 pts

06Clark County, WAWA532,1190.1%−0.1 pts

07Benton County, WAWA221,7220.1%+0.1 pts

08Pierce County, WAWA946,2880.1%+0.0 pts

09Skagit County, WAWA132,9750.1%−0.0 pts

10Thurston County, WAWA304,2610.1%+0.0 pts

11Kitsap County, WAWA283,3740.0%+0.0 pts

12Cowlitz County, WAWA114,8850.0%−0.1 pts

13Spokane County, WAWA558,3440.0%−0.0 pts

14Jefferson County, WAWA33,9700.0%–

15Walla Walla County, WAWA62,3610.0%−0.2 pts

16Clallam County, WAWA78,2020.0%−0.0 pts

17Yakima County, WAWA259,1850.0%–

18San Juan County, WAWA18,5770.0%–

19Skamania County, WAWA12,6690.0%–

20Island County, WAWA85,6570.0%−0.0 pts

21Douglas County, WAWA46,4730.0%−0.0 pts

22Chelan County, WAWA81,9410.0%−0.0 pts

23Mason County, WAWA71,1650.0%–

SHOWING 1–23 OF 23

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS