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
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County Net Migration
Adams -190
Asotin 194
Benton 1280
Chelan 402
Clallam 1194
Clark 6188
Columbia 43
Cowlitz 1003
Douglas 179
Ferry 101
Franklin 581
Garfield 28
Grant 695
Grays Harbor 1136
Island 609
Jefferson 605
King 15054
Kitsap 127
Kittitas 1312
Klickitat 283
Lewis 1575
Lincoln 176
Mason 1394
Okanogan 280
Pacific 663
Pend Oreille 470
Pierce 4634
San Juan 195
Skagit 1579
Skamania 32
Snohomish 4433
Spokane 5283
Stevens 653
Thurston 3909
Wahkiakum 108
Walla Walla 237
Whatcom 2148
Whitman -719
Yakima -1100