Population in Washington by County

Total population.

U.S. Census Bureau · ACS 5-year 2020-2024 · Updated November 2026

Washington

7,816,116

Counties

39

Highest

King

2,287,171

Lowest

Garfield

2,353

All Washington counties, ranked

# Counties Population
1 King 2,287,171
2 Pierce 930,319
3 Snohomish 844,430
4 Spokane 549,056
5 Clark 516,959
6 Thurston 299,067
7 Kitsap 277,881
8 Yakima 257,152
9 Whatcom 230,503
10 Benton 212,905
11 Skagit 131,328
12 Cowlitz 112,360
13 Grant 101,799
14 Franklin 98,902
15 Island 86,836
16 Lewis 85,154
17 Chelan 80,172
18 Clallam 77,813
19 Grays Harbor 77,053
20 Mason 67,982
21 Walla Walla 62,161
22 Stevens 48,067
23 Kittitas 47,172
24 Whitman 47,003
25 Douglas 44,366
26 Okanogan 43,425
27 Jefferson 33,577
28 Pacific 23,994
29 Klickitat 23,411
30 Asotin 22,467
31 Adams 20,800
32 San Juan 18,478
33 Pend Oreille 14,050
34 Skamania 12,402
35 Lincoln 11,489
36 Ferry 7,387
37 Wahkiakum 4,658
38 Columbia 4,014
39 Garfield 2,353

About this dataset

Total population. Source: ACS 5-year 2020-2024 Data Profile, variable DP05_0001E. Values in people.

Source
U.S. Census Bureau
Citation
U.S. Census Bureau, American Community Survey 5-Year Estimates Data Profiles (2020-2024), DP05_0001E
Vintage
ACS 5-year 2020-2024
License
Public domain (U.S. Census Bureau)
Unit
people
Available at
State · County · ZIP code
Territory roll-up
Summed across each territory
Last loaded
November 2026

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Population by county in other states

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US Population nationwide