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

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2018, the Net Domestic Migration Rate per 1K for Washington was 6.05. Among all Washington counties, Wahkiakum County had the highest net domestic migration rate (34.62), followed by Mason County (25.94), and Jefferson County (25.57).

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 Domestic Migration Rate per 1K in 2018
Wahkiakum
Mason
Jefferson
Garfield
Kittitas
Pend Oreille
San Juan
Pacific
Grays Harbor
Clallam
Ranking of Washington Counties By Net Domestic Migration Rate per 1K in 2018
Items per page:
0 of 0
Rank County Net Dom. Migration Rate
1 Wahkiakum County 34.62
2 Mason County 25.94
3 Jefferson County 25.57
4 Garfield County 22.32
5 Kittitas County 21.69
6 Pend Oreille County 20.71
7 San Juan County 20.44
8 Pacific County 20.13
9 Grays Harbor County 19.66
10 Clallam County 18
11 Cowlitz County 16.99
12 Thurston County 15.8
13 Lewis County 15.52
14 Stevens County 14.69
15 Klickitat County 14.46
16 Lincoln County 14.09
17 Spokane County 12.7
18 Skagit County 12.56
19 Whatcom County 12.17
20 Island County 11.99
21 Columbia County 11.41
22 Ferry County 10.89
23 Clark County 10.29
24 Franklin County 10.07
25 Pierce County 9.64
26 Benton County 8.33
27 Kitsap County 8.16
28 Douglas County 7.72
29 Skamania County 7.16
30 Asotin County 5.74
31 Snohomish County 5.31
32 Okanogan County 4.75
33 Grant County 4.67
34 Chelan County 3.93
35 Walla Walla County 0.64
36 King County -2.64
37 Yakima County -2.98
38 Whitman County -4.17
39 Adams County -11.07