Ranking of Washington Counties By Percentage of Population with Iranian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 14.97K people in Washington with Iranian ancestry (0.20% of Washington population). Among all Washington counties, King County had the highest percentage of its population with Iranian ancestry (0.43%), followed by Whitman County (0.40%), and Benton County (0.26%).

The chart and table below shows the top 10 counties with high percentage of its population having Iranian ancestry.

You can see similar information for other states and for other ancestry groups in Washington.

Data Source: US Census Bureau.
Ranking of Washington Counties By Percentage of Population with Iranian Ancestry in 2021
King County
Whitman County
Benton County
Kittitas County
Snohomish County
Clark County
Whatcom County
Skagit County
Pierce County
Kitsap County
Ranking of Washington Counties By Percentage of Population with Iranian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 King County 0.43
2 Whitman County 0.40
3 Benton County 0.26
4 Kittitas County 0.24
4 Snohomish County 0.24
5 Clark County 0.14
6 Whatcom County 0.12
7 Skagit County 0.09
8 Pierce County 0.08
9 Kitsap County 0.07
9 Thurston County 0.07
10 Cowlitz County 0.05
11 Jefferson County 0.03
11 Spokane County 0.03
11 Walla Walla County 0.03
12 Island County 0.02
12 Mason County 0.02
12 San Juan County 0.02
12 Skamania County 0.02
12 Yakima County 0.02
13 Clallam County 0.01
13 Douglas County 0.01
14 Chelan County 0.004