Washington Net Domestic Migration Rate By County in 2015

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2015, the net domestic migration rate for Washington was 5.85. Pacific County had the highest net domestic migration rate (19.63) followed by Kitsap County (17.68), and Pend Oreille County (13.84). On the other hand, Adams County had the lowest net domestic migration rate (-13.09), followed by Ferry County (-7.93), and Franklin County (-5.31).

Net Domestic migration rate for a given county refers to the the difference between number of people moving to the county from other parts of the United States (excluding Puerto Rico) and number of people moving out of the county to other parts of the United States (excluding Puerto Rico) per 1,000 of the mid-year population of the 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.

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Washington Net Domestic Migration Rate By County in 2015
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County Net Domestic Migration Rate
Adams -13.09
Asotin -1.89
Benton 10.96
Chelan 8.23
Clallam 13.2
Clark 13.41
Columbia 0
Cowlitz 10.63
Douglas 10.66
Ferry -7.93
Franklin -5.31
Garfield 6.33
Grant -5.17
Grays Harbor 3.77
Island 9.9
Jefferson 12.09
King 3.36
Kitsap 17.68
Kittitas 6.77
Klickitat 5.4
Lewis 7.01
Lincoln 5.95
Mason 5.44
Okanogan -1.24
Pacific 19.63
Pend Oreille 13.84
Pierce 4.41
San Juan 13.63
Skagit 9.11
Skamania -0.79
Snohomish 6.35
Spokane 7.13
Stevens 2.66
Thurston 5.41
Wahkiakum 0.75
Walla Walla 5.15
Whatcom 11.14
Whitman 12.12
Yakima -5.29