Ranking of Washington Counties By Net Migration in 2024

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2024, the Net Migration for Washington was 84.25K. Among all Washington counties, King County had the highest net migration (35.93K), followed by Snohomish County (10.22K), and Pierce County (6.21K).

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 in 2024
King
Snohomish
Pierce
Clark
Thurston
Kitsap
Spokane
Benton
Whatcom
Grant
Ranking of Washington Counties By Net Migration in 2024
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Rank County Net Migration
1 King County 35932
2 Snohomish County 10220
3 Pierce County 6214
4 Clark County 3528
5 Thurston County 3236
6 Kitsap County 3192
7 Spokane County 2649
8 Benton County 2260
9 Whatcom County 2252
10 Grant County 1149
11 Clallam County 1141
12 Skagit County 1067
13 Mason County 1054
14 Okanogan County 1018
15 Cowlitz County 988
16 Lewis County 973
17 Chelan County 930
18 Franklin County 810
19 Grays Harbor County 737
20 Douglas County 634
21 Walla Walla County 508
22 Jefferson County 502
23 Klickitat County 462
24 Whitman County 433
25 Yakima County 432
26 Stevens County 375
27 Kittitas County 293
28 Pacific County 285
29 Island County 266
30 Lincoln County 131
31 Ferry County 120
32 Pend Oreille County 99
33 Asotin County 98
34 Wahkiakum County 78
35 San Juan County 75
36 Garfield County 52
37 Adams County 48
38 Skamania County 26
39 Columbia County -15