Ranking of Washington Counties By Net Migration Rate per 1K in 2018

Updated on January 26, 2024.

Based on the US Census Vintage data estimates, in 2018, the Net Migration Rate per 1K for Washington was 9.2. Among all Washington counties, Wahkiakum County had the highest net migration rate (34.62), followed by Mason County (27.89), and Jefferson County (25.85).

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 Migration Rate per 1K in 2018
Wahkiakum
Mason
Jefferson
Garfield
Kittitas
San Juan
Pacific
Pend Oreille
Grays Harbor
Clallam
Ranking of Washington Counties By Net Migration Rate per 1K in 2018
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Rank County Net Migration Rate
1 Wahkiakum County 34.62
2 Mason County 27.89
3 Jefferson County 25.85
4 Garfield County 24.99
5 Kittitas County 23.06
6 San Juan County 22.04
7 Pacific County 21.41
8 Pend Oreille County 20.71
9 Grays Harbor County 19.43
10 Clallam County 18.87
11 Cowlitz County 16.98
12 Thurston County 16.5
13 Lewis County 16.01
14 Columbia County 15.87
15 Stevens County 14.83
16 Klickitat County 14.32
17 Lincoln County 14.18
18 Whatcom County 13.76
19 Skagit County 13.5
20 Spokane County 13.33
21 Ferry County 11.02
22 Clark County 11.01
23 Island County 10.99
24 Pierce County 10.87
25 Franklin County 10.34
26 Benton County 9.63
27 Snohomish County 8.42
28 Kitsap County 8.34
29 Douglas County 8.24
30 Skamania County 7.67
31 Okanogan County 5.44
32 Asotin County 5.34
33 King County 5.33
34 Grant County 5.2
35 Whitman County 4.23
36 Chelan County 3.51
37 Walla Walla County 1.33
38 Yakima County -3.54
39 Adams County -11.02