Washington Net Migration By County in 2020

Updated on January 22, 2024.

According to the US Census Bureau estimates, in 2020, the net migration for Washington was 56,774. King County had the highest net migration (15,054) followed by Clark County (6,188), and Spokane County (5,283). On the other hand, Yakima County had the lowest net migration (-1,100), followed by Whitman County (-719), and Adams County (-190).

Net migration for a county refers to the difference between the number of migrants, both domestic and international, moving to the county and those leaving the county. Or to put it simply, the net migration for a given county is the inbound migration minus the outbound migration for that county.

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 Migration By County in 2020
County
Net Migration
King 15,054
Clark 6,188
Spokane 5,283
Pierce 4,634
Snohomish 4,433
Thurston 3,909
Whatcom 2,148
Skagit 1,579
Lewis 1,575
Mason 1,394
Kittitas 1,312
Benton 1,280
Clallam 1,194
Grays Harbor 1,136
Cowlitz 1,003
Grant 695
Pacific 663
Stevens 653
Island 609
Jefferson 605
Franklin 581
Pend Oreille 470
Chelan 402
Klickitat 283
Okanogan 280
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