Washington Net Migration By County in 2015

Updated on January 22, 2024.

According to the US Census Bureau estimates, in 2015, the net migration for Washington was 74,744. King County had the highest net migration (28,744) followed by Snohomish County (7,970), and Clark County (6,518). On the other hand, Yakima County had the lowest net migration (-1,248), followed by Franklin County (-262), and Grant County (-224).

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 2015
County
Net Migration
King 28,744
Snohomish 7,970
Clark 6,518
Pierce 6,105
Kitsap 4,952
Spokane 4,317
Whatcom 2,883
Benton 2,452
Thurston 2,156
Skagit 1,377
Island 1,174
Cowlitz 1,125
Whitman 1,074
Clallam 1,055
Chelan 646
Lewis 617
Douglas 534
Mason 441
Pacific 427
Kittitas 380
Jefferson 375
Walla Walla 348
Grays Harbor 272
San Juan 244
Pend Oreille 185
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