Washington Net International Migration By County in 2023

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2023, the net international migration for Washington was 67,068. King County had the highest net international migration (39,872) followed by Snohomish County (8,333), and Pierce County (4,353). On the other hand, Wahkiakum County had the lowest net international migration (0), followed by Garfield County (0), and Pend Oreille County (3).

Net International migration for a given county refers to the difference between the number of people moving to the county from other parts of the world outside the borders of the United States (50 states and District of Columbia) and the number of people moving out of the county to other parts of the world outside the borders of the United States.

You can also see similar information for other states and also by state for the United States.

Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.

See this for other years:
Washington Net International Migration By County in 2023
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County Net International Migration
Adams 142
Asotin 23
Benton 886
Chelan 601
Clallam 136
Clark 1859
Columbia 4
Cowlitz 153
Douglas 369
Ferry 17
Franklin 843
Garfield 0
Grant 848
Grays Harbor 197
Island 245
Jefferson 50
King 39872
Kitsap 842
Kittitas 56
Klickitat 178
Lewis 162
Lincoln 6
Mason 325
Okanogan 687
Pacific 58
Pend Oreille 3
Pierce 4353
San Juan 47
Skagit 574
Skamania 5
Snohomish 8333
Spokane 1322
Stevens 11
Thurston 913
Wahkiakum 0
Walla Walla 205
Whatcom 787
Whitman 489
Yakima 1467