Ranking of Washington Counties By Percentage of Population with Pennsylvania German Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.87K people in Washington with Pennsylvania German ancestry (0.04% of Washington population). Among all Washington counties, Kittitas County had the highest percentage of its population with Pennsylvania German ancestry (0.16%), followed by Grant County (0.12%), and Thurston County (0.11%).

The chart and table below shows the top 10 counties with high percentage of its population having Pennsylvania German 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 Pennsylvania German Ancestry in 2021
Kittitas County
Grant County
Thurston County
Pend Oreille County
Lincoln County
San Juan County
Clallam County
Whatcom County
Jefferson County
Douglas County
Ranking of Washington Counties By Percentage of Population with Pennsylvania German Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Kittitas County 0.16
2 Grant County 0.12
3 Thurston County 0.11
4 Pend Oreille County 0.09
5 Lincoln County 0.08
5 San Juan County 0.08
6 Clallam County 0.07
6 Whatcom County 0.07
7 Jefferson County 0.06
8 Douglas County 0.05
8 Klickitat County 0.05
8 Mason County 0.05
9 Pierce County 0.04
9 Stevens County 0.04
9 Walla Walla County 0.04
9 Whitman County 0.04
10 Clark County 0.03
10 Franklin County 0.03
10 King County 0.03
10 Kitsap County 0.03
10 Lewis County 0.03
10 Snohomish County 0.03
10 Spokane County 0.03
10 Yakima County 0.03
11 Adams County 0.02
11 Cowlitz County 0.02
11 Skagit County 0.02
12 Benton County 0.01
12 Chelan County 0.01
12 Grays Harbor County 0.01
12 Island County 0.01
12 Okanogan County 0.01