Ranking of Washington Counties By Net International Migration in 2018

Updated on January 26, 2024.

Based on the US Census Vintage data estimates, in 2018, the Net International Migration for Washington was 23.61K. Among all Washington counties, King County had the highest net international migration (17.66K), followed by Snohomish County (2.51K), and Pierce County (1.09K).

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 2018
King
Snohomish
Pierce
Whitman
Whatcom
Clark
Spokane
Benton
Thurston
Mason
Ranking of Washington Counties By Net International Migration in 2018
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Rank County Net Intl. Migration
1 King County 17662
2 Snohomish County 2514
3 Pierce County 1088
4 Whitman County 417
5 Whatcom County 357
6 Clark County 343
7 Spokane County 321
8 Benton County 259
9 Thurston County 196
10 Mason County 126
11 Skagit County 118
12 Clallam County 66
13 Kittitas County 64
14 Grant County 51
15 Kitsap County 49
16 Walla Walla County 42
17 Lewis County 39
18 Okanogan County 29
19 Pacific County 28
20 San Juan County 27
21 Franklin County 25
22 Douglas County 22
23 Columbia County 18
24 Jefferson County 9
25 Garfield County 6
25 Skamania County 6
25 Stevens County 6
26 Adams County 1
26 Ferry County 1
26 Lincoln County 1
27 Pend Oreille County 0
27 Wahkiakum County 0
28 Cowlitz County -1
29 Klickitat County -3
30 Asotin County -9
31 Grays Harbor County -17
32 Chelan County -32
33 Island County -84
34 Yakima County -140