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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.94K people in Washington with Basque ancestry (0.04% of Washington population). Among all Washington counties, Columbia County had the highest percentage of its population with Basque ancestry (0.78%), followed by Okanogan County (0.35%), and Grant County (0.14%).

The chart and table below shows the top 10 counties with high percentage of its population having Basque 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 Basque Ancestry in 2021
Columbia County
Okanogan County
Grant County
Kitsap County
Whitman County
San Juan County
Benton County
Spokane County
Skagit County
Asotin County
Ranking of Washington Counties By Percentage of Population with Basque Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Columbia County 0.78
2 Okanogan County 0.35
3 Grant County 0.14
4 Kitsap County 0.12
5 Whitman County 0.10
6 San Juan County 0.09
7 Benton County 0.08
7 Spokane County 0.08
8 Skagit County 0.07
9 Asotin County 0.05
9 Cowlitz County 0.05
9 Kittitas County 0.05
10 Clark County 0.03
10 Franklin County 0.03
10 King County 0.03
10 Mason County 0.03
10 Whatcom County 0.03
11 Clallam County 0.02
11 Jefferson County 0.02
11 Snohomish County 0.02
11 Stevens County 0.02
11 Thurston County 0.02
11 Yakima County 0.02
12 Island County 0.01
12 Lewis County 0.01
12 Pierce County 0.01