Ranking of Washington Counties By Net Migration in 2021

Updated on January 26, 2024.

Based on the US Census Vintage data estimates, in 2021, the Net Migration for Washington was -1.40K. Among all Washington counties, Clark County had the highest net migration (6.14K), followed by Spokane County (3.87K), and Benton County (2.46K).

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 2021
Clark
Spokane
Benton
Snohomish
Lewis
Clallam
Thurston
Mason
Grays Harbor
Stevens
Ranking of Washington Counties By Net Migration in 2021
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Rank County Net Migration
1 Clark County 6140
2 Spokane County 3869
3 Benton County 2456
4 Snohomish County 2417
5 Lewis County 2256
6 Clallam County 1700
7 Thurston County 1657
8 Mason County 1418
9 Grays Harbor County 1343
10 Stevens County 1156
11 Skagit County 1115
12 San Juan County 882
13 Cowlitz County 851
14 Jefferson County 819
15 Pacific County 730
16 Okanogan County 688
17 Douglas County 685
18 Island County 683
19 Chelan County 517
20 Pend Oreille County 510
21 Klickitat County 433
22 Grant County 424
23 Lincoln County 401
24 Kitsap County 385
25 Asotin County 220
26 Skamania County 185
27 Wahkiakum County 177
28 Ferry County 130
29 Columbia County 101
30 Garfield County 64
31 Kittitas County 32
32 Franklin County -23
33 Pierce County -177
34 Adams County -181
35 Walla Walla County -363
36 Whatcom County -792
37 Yakima County -1102
38 Whitman County -4212
39 King County -28993