Ranking of Washington Counties By Immigrant or Foreign-Born Population in 2021 (ACS-5Yrs)

Updated on September 27, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among all Washington counties, King had the highest immigrant or foreign-born population (541.39K), followed by Snohomish (141.36K), and Pierce (92.76K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Washington counties.

You can see similar information for other states. You can also see the ranking for all counties in the United States.

Ranking of Washington Counties By Immigrant or Foreign-Born Population in 2021
King
Snohomish
Pierce
Clark
Yakima
Spokane
Thurston
Benton
Whatcom
Franklin
Ranking of Washington Counties By Immigrant or Foreign-Born Population in 2021
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Rank County Immigrant Population
1 King 541393
2 Snohomish 141356
3 Pierce 92764
4 Clark 53626
5 Yakima 47661
6 Spokane 27996
7 Thurston 24504
8 Benton 22470
9 Whatcom 21709
10 Franklin 21200
11 Kitsap 18450
12 Grant 16269
13 Skagit 12123
14 Chelan 10685
15 Douglas 6576
16 Island 6320
17 Walla Walla 5702
18 Whitman 5095
19 Adams 4868
20 Cowlitz 4358
21 Lewis 4068
22 Okanogan 4066
23 Clallam 4029
24 Mason 3938
25 Grays Harbor 3552
26 Klickitat 2080
27 Kittitas 1996
28 Pacific 1579
29 Jefferson 1524
30 San Juan 1346
31 Stevens 1126
32 Asotin 650
33 Skamania 407
34 Pend Oreille 362
35 Wahkiakum 207
36 Lincoln 173
37 Columbia 141
38 Ferry 110
39 Garfield 50