Washington Net Migration Rate By County in 2015

Updated on January 22, 2024.

According to the US Census Bureau estimates, in 2015, the net migration rate per 1,000 population for Washington was 10.51. Whitman County had the highest net migration rate per 1,000 population (22.57), followed by Pacific County (20.59), and Kitsap County (19.31). On the other hand, Adams County had the lowest net migration rate per 1,000 population (-9.8), followed by Ferry County (-7.8), and Yakima County (-5.05).

Net migration rate 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 per 1,000 of the county's mid-year population. A positive rate is known as a net immigration rate, and a negative rate is known as a net emigration rate.

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 Rate By County in 2015
Items per page:
0 of 0
County Net Migration Rate
Adams -9.8
Asotin -2.43
Benton 13.01
Chelan 8.66
Clallam 14.47
Clark 14.39
Columbia 3.78
Cowlitz 10.98
Douglas 13.3
Ferry -7.8
Franklin -2.97
Garfield 8.59
Grant -2.4
Grays Harbor 3.84
Island 14.78
Jefferson 12.39
King 13.64
Kitsap 19.31
Kittitas 8.86
Klickitat 5.78
Lewis 8.21
Lincoln 6.05
Mason 7.25
Okanogan 1.65
Pacific 20.59
Pend Oreille 14.22
Pierce 7.28
San Juan 15.19
Skagit 11.4
Skamania -0.53
Snohomish 10.44
Spokane 8.88
Stevens 2.8
Thurston 8.09
Wahkiakum 1.75
Walla Walla 5.82
Whatcom 13.72
Whitman 22.57
Yakima -5.05