Washington Net Migration By County in 2021

Updated on July 29, 2024.

According to the US Census Bureau estimates, in 2021, the net migration for Washington was -1,422. Clark County had the highest net migration (6,126) followed by Spokane County (3,857), and Benton County (2,460). On the other hand, King County had the lowest net migration (-29,021), followed by Whitman County (-4,210), and Yakima County (-1,099).

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 2021
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County Net Migration
Adams -180
Asotin 220
Benton 2460
Chelan 517
Clallam 1699
Clark 6126
Columbia 101
Cowlitz 852
Douglas 688
Ferry 129
Franklin -23
Garfield 65
Grant 424
Grays Harbor 1345
Island 687
Jefferson 827
King -29021
Kitsap 387
Kittitas 29
Klickitat 433
Lewis 2258
Lincoln 402
Mason 1418
Okanogan 686
Pacific 729
Pend Oreille 508
Pierce -170
San Juan 885
Skagit 1114
Skamania 187
Snohomish 2407
Spokane 3857
Stevens 1159
Thurston 1654
Wahkiakum 177
Walla Walla -358
Whatcom -791
Whitman -4210
Yakima -1099