Washington / Counties by Population

Washington Counties by Population

Below are the 39 Washington counties sorted by population from 1 to 39 . The population data are from the 2021 Population Estimates Program and 2020 American Community Survey. You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

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Rank County Population
1 King County 2,252,305
2 Pierce County 925,708
3 Snohomish County 833,540
4 Spokane County 546,040
5 Clark County 511,404
6 Thurston County 297,977
7 Kitsap County 274,314
8 Yakima County 256,035
9 Whatcom County 228,831
10 Benton County 210,025
11 Skagit County 130,696
12 Cowlitz County 111,524
13 Grant County 100,297
14 Franklin County 98,268
15 Island County 87,432
16 Lewis County 84,398
17 Chelan County 79,646
18 Clallam County 78,209
19 Grays Harbor County 76,841
20 Mason County 67,615
21 Walla Walla County 62,682
22 Whitman County 47,873
23 Stevens County 47,426
24 Kittitas County 45,499
25 Douglas County 43,696
26 Okanogan County 42,634
27 Jefferson County 33,605
28 Pacific County 23,948
29 Klickitat County 23,118
30 Asotin County 22,397
31 Adams County 20,621
32 San Juan County 18,557
33 Pend Oreille County 13,886
34 Skamania County 12,170
35 Lincoln County 11,232
36 Ferry County 7,273
37 Wahkiakum County 4,582
38 Columbia County 4,042
39 Garfield County 2,346

United States Census Bureau. B01001 SEX BY AGE, 2020 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 17 March 2022. http://www.census.gov/.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2021. U.S. Census Bureau, Population Division. Web. May 2022. http://www.census.gov/.

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