Ranking of Washington Counties By Net International Migration Rate per 1K in 2019

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2019, the Net International Migration Rate per 1K for Washington was 3.1. Among all Washington counties, Whitman County had the highest net international migration rate (7.24), followed by King County (6.89), and Adams County (4.34).

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 Rate per 1K in 2019
Whitman
King
Adams
Grant
Columbia
Pacific
Okanogan
Franklin
Snohomish
Skagit
Ranking of Washington Counties By Net International Migration Rate per 1K in 2019
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Rank County Net Intl. Migration Rate
1 Whitman County 7.24
2 King County 6.89
3 Adams County 4.34
4 Grant County 4.24
5 Columbia County 3.71
6 Pacific County 3.37
7 Okanogan County 3.24
8 Franklin County 2.93
9 Snohomish County 2.85
10 Skagit County 2.83
11 Douglas County 2.42
12 Yakima County 2.31
13 Mason County 2.25
14 Garfield County 2.21
15 Walla Walla County 1.64
16 San Juan County 1.63
17 Skamania County 1.58
18 Whatcom County 1.55
19 Benton County 1.36
20 Pierce County 1.26
21 Clallam County 1.22
22 Kittitas County 1.16
23 Lewis County 0.91
24 Klickitat County 0.81
25 Clark County 0.73
25 Thurston County 0.73
26 Island County 0.7
27 Spokane County 0.45
28 Kitsap County 0.39
29 Jefferson County 0.28
30 Ferry County 0.13
31 Chelan County 0.1
32 Lincoln County 0.09
33 Stevens County 0.07
34 Cowlitz County 0.06
35 Pend Oreille County -0.07
36 Grays Harbor County -0.09
37 Wahkiakum County -0.23
38 Asotin County -0.44