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 for the US by state. You can also see links at the bottom of the page for the trend of the net migration for each county in Washington.

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
Items per page:
0 of 0
County Net Migration
Adams -188
Asotin -54
Benton 2452
Chelan 646
Clallam 1055
Clark 6518
Columbia 15
Cowlitz 1125
Douglas 534
Ferry -59
Franklin -262
Garfield 19
Grant -224
Grays Harbor 272
Island 1174
Jefferson 375
King 28744
Kitsap 4952
Kittitas 380
Klickitat 121
Lewis 617
Lincoln 62
Mason 441
Okanogan 68
Pacific 427
Pend Oreille 185
Pierce 6105
San Juan 244
Skagit 1377
Skamania -6
Snohomish 7970
Spokane 4317
Stevens 122
Thurston 2156
Wahkiakum 7
Walla Walla 348
Whatcom 2883
Whitman 1074
Yakima -1248