Ranking of Washington Counties By Net International Migration in 2017

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2017, the Net International Migration for Washington was 30.50K. Among all Washington counties, King County had the highest net international migration (21.67K), followed by Snohomish County (3.19K), and Pierce County (1.71K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Washington counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Washington Counties By Net International Migration in 2017
King
Snohomish
Pierce
Clark
Whitman
Spokane
Whatcom
Thurston
Benton
Kitsap
Ranking of Washington Counties By Net International Migration in 2017
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Rank County Net Intl. Migration
1 King County 21670
2 Snohomish County 3192
3 Pierce County 1710
4 Clark County 521
5 Whitman County 504
6 Spokane County 477
7 Whatcom County 459
8 Thurston County 356
9 Benton County 338
10 Kitsap County 195
11 Skagit County 182
12 Mason County 150
13 Grant County 116
14 Clallam County 84
14 Island County 84
15 Kittitas County 79
16 Franklin County 78
17 Walla Walla County 63
18 Lewis County 51
19 Okanogan County 48
20 Douglas County 42
21 Pacific County 37
22 San Juan County 29
23 Adams County 19
24 Columbia County 18
25 Jefferson County 14
26 Cowlitz County 8
26 Garfield County 8
26 Stevens County 8
27 Skamania County 6
28 Klickitat County 3
28 Pend Oreille County 3
29 Ferry County 1
29 Lincoln County 1
30 Wahkiakum County 0
31 Asotin County -6
32 Grays Harbor County -12
33 Chelan County -20
34 Yakima County -21