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QuickFacts

Lewis County, Washington; Wahkiakum County, Washington; Thurston County, Washington; Cowlitz County, Washington; Grays Harbor County, Washington; Washington

QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.

Chart

Population estimates, July 1, 2023, (V2023)

0
230,000
460,000
690,000
920,000
1,150,000
1,380,000
1,610,000
1,840,000
2,070,000
2,300,000
King County, Washington
2,271,380
Pierce County, Washington
928,696
Snohomish County, Washington
844,761
Spokane County, Washington
551,455
Clark County, Washington
521,150
Thurston County, Washington
299,003
Kitsap County, Washington
277,658
Yakima County, Washington
256,643
Whatcom County, Washington
231,919
Benton County, Washington
215,219
Skagit County, Washington
131,417
Cowlitz County, Washington
112,864
Grant County, Washington
102,678
Franklin County, Washington
99,034
Island County, Washington
86,267
Lewis County, Washington
86,154
Chelan County, Washington
79,997
Clallam County, Washington
77,616
Grays Harbor County, Washington
77,290
Mason County, Washington
68,389
Walla Walla County, Washington
61,568
Stevens County, Washington
48,837
Whitman County, Washington
48,012
Kittitas County, Washington
45,508
Douglas County, Washington
44,798
Okanogan County, Washington
43,712
Jefferson County, Washington
33,714
Pacific County, Washington
24,200
Klickitat County, Washington
23,589
Asotin County, Washington
22,549
Adams County, Washington
20,820
San Juan County, Washington
18,566
Pend Oreille County, Washington
14,361
Skamania County, Washington
12,640
Lincoln County, Washington
11,738
Ferry County, Washington
7,497
Wahkiakum County, Washington
4,765
Columbia County, Washington
4,053
Garfield County, Washington
2,363
0
230,000
460,000
690,000
920,000
1,150,000
1,380,000
1,610,000
1,840,000
2,070,000
2,300,000
Value Notes

Methodology differences may exist between data sources, and so estimates from different sources are not comparable.

Some estimates presented here come from sample data, and thus have sampling errors that may render some apparent differences between geographies statistically indistinguishable. Click the Quick Info icon to the left of each row in TABLE view to learn about sampling error.

The vintage year (e.g., V2023) refers to the final year of the series (2020 thru 2023). Different vintage years of estimates are not comparable.

Users should exercise caution when comparing 2018-2022 ACS 5-year estimates to other ACS estimates. For more information, please visit the 2022 5-year ACS Comparison Guidance page.

Fact Notes Value Flags

QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

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