Washington Net Migration Rate By County in 2022

Updated on June 21, 2025.

According to the US Census Bureau estimates, in 2022, the net migration rate per 1,000 population for Washington was 5.16. Whitman County had the highest net migration rate per 1,000 population (87.79), followed by Kittitas County (33.8), and Lincoln County (30.84). On the other hand, Island County had the lowest net migration rate per 1,000 population (-7.51), followed by Franklin County (-5.36), and Yakima County (-3.53).

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.

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Washington Net Migration Rate By County in 2022
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County Net Migration Rate
Adams 1.54
Asotin 6.27
Benton 8.36
Chelan 3.97
Clallam 0.22
Clark 6.84
Columbia 10.95
Cowlitz 5.9
Douglas 4.8
Ferry 30.83
Franklin -5.36
Garfield 6.8
Grant 5.45
Grays Harbor 8.97
Island -7.51
Jefferson 8.88
King 5.11
Kitsap 4.48
Kittitas 33.8
Klickitat 6.63
Lewis 11.62
Lincoln 30.84
Mason 16.95
Okanogan 15.53
Pacific 13.65
Pend Oreille 24.88
Pierce -2.47
San Juan 5.26
Skagit 3.12
Skamania 19.95
Snohomish 3.35
Spokane 8.1
Stevens 17.25
Thurston 2.28
Wahkiakum 28.89
Walla Walla 1.88
Whatcom 16.89
Whitman 87.79
Yakima -3.53