Ranking of Washington Counties By Percentage of Population with Australian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 4.92K people in Washington with Australian ancestry (0.07% of Washington population). Among all Washington counties, San Juan County had the highest percentage of its population with Australian ancestry (0.36%), followed by Skagit County (0.13%), and Thurston County (0.13%).
The chart and table below shows the top 10 counties with high percentage of its population having Australian ancestry.
You can see similar information for other states and for other ancestry groups in Washington.
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Related Topics: Washington ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Washington Counties By Percentage of Population with Australian Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | San Juan County | 0.36 |
| 2 | Skagit County | 0.13 |
| 2 | Thurston County | 0.13 |
| 3 | Walla Walla County | 0.12 |
| 4 | Kittitas County | 0.10 |
| 5 | Grant County | 0.09 |
| 5 | Whatcom County | 0.09 |
| 5 | Whitman County | 0.09 |
| 6 | King County | 0.08 |
| 7 | Benton County | 0.07 |
| 7 | Island County | 0.07 |
| 8 | Cowlitz County | 0.06 |
| 8 | Pierce County | 0.06 |
| 8 | Snohomish County | 0.06 |
| 9 | Clark County | 0.05 |
| 9 | Spokane County | 0.05 |
| 10 | Klickitat County | 0.04 |
| 11 | Clallam County | 0.03 |
| 11 | Kitsap County | 0.03 |
| 11 | Okanogan County | 0.03 |
| 12 | Chelan County | 0.02 |
| 12 | Franklin County | 0.02 |
| 13 | Lewis County | 0.01 |
| 13 | Stevens County | 0.01 |
| 13 | Yakima County | 0.01 |