Ranking of Washington Counties By Population with Welsh Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 68.14K people in Washington with Welsh ancestry. Among all Washington counties, King County had the highest population with Welsh ancestry (19.07K), followed by Snohomish County (7.41K), and Pierce County (6.79K).
The chart and table below shows the top 10 counties with high number of people with Welsh 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 Population with Welsh Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | King County | 19066 |
| 2 | Snohomish County | 7412 |
| 3 | Pierce County | 6788 |
| 4 | Spokane County | 5827 |
| 5 | Clark County | 4462 |
| 6 | Kitsap County | 3130 |
| 7 | Benton County | 2417 |
| 8 | Thurston County | 2309 |
| 9 | Whatcom County | 2087 |
| 10 | Skagit County | 1638 |
| 11 | Lewis County | 1245 |
| 12 | Clallam County | 1099 |
| 13 | Island County | 964 |
| 14 | Kittitas County | 791 |
| 15 | Walla Walla County | 782 |
| 16 | Yakima County | 737 |
| 17 | Cowlitz County | 679 |
| 18 | Douglas County | 653 |
| 19 | Mason County | 633 |
| 20 | Chelan County | 620 |
| 21 | Grays Harbor County | 580 |
| 22 | Franklin County | 528 |
| 23 | Grant County | 469 |
| 24 | Whitman County | 437 |
| 25 | Klickitat County | 418 |
| 26 | Stevens County | 407 |
| 27 | Jefferson County | 391 |
| 28 | Okanogan County | 387 |
| 29 | San Juan County | 270 |
| 30 | Pacific County | 223 |
| 31 | Pend Oreille County | 204 |
| 32 | Wahkiakum County | 148 |
| 33 | Asotin County | 114 |
| 34 | Skamania County | 109 |
| 35 | Lincoln County | 53 |
| 36 | Adams County | 33 |
| 37 | Ferry County | 21 |
| 38 | Columbia County | 11 |