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Demographics Table

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Demographic Data Report for Washington by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Name

County
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2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Washington N/A 21.6 1,675,898 32 of 52
United States N/A 22.2 73,645,238 N/A
Yakima County Urban 29.3 75,097 96
Whitman County Rural 15.7 7,385 3,014
Whatcom County Urban 18.9 43,119 2,581
Walla Walla County Urban 20.7 12,885 2,085
Wahkiakum County Rural 18.5 845 2,670
Thurston County Urban 21.1 62,593 1,936
Stevens County Urban 21.3 10,104 1,876
Spokane County Urban 21.8 118,425 1,646
Snohomish County Urban 22.4 186,635 1,385
Skamania County Urban 17.0 2,084 2,908
Skagit County Urban 21.1 27,564 1,936
San Juan County Rural 12.8 2,331 3,111
Pierce County Urban 23.2 214,439 1,042
Pend Oreille County Rural 19.3 2,662 2,489
Pacific County Rural 15.2 3,608 3,046
Okanogan County Rural 22.3 9,537 1,429
Mason County Rural 19.6 13,109 2,404
Lincoln County Rural 22.0 2,479 1,567
Lewis County Rural 21.6 18,159 1,725
Klickitat County Rural 18.4 4,246 2,684
Kittitas County Rural 17.5 7,819 2,844
Kitsap County Urban 19.9 55,124 2,329
King County Urban 19.8 447,121 2,359
Jefferson County Rural 11.5 3,845 3,127
Island County Rural 17.6 15,260 2,835
Grays Harbor County Rural 20.0 15,273 2,300
Grant County Rural 28.8 28,878 115
Garfield County Rural 17.2 399 2,882
Franklin County Urban 31.4 30,706 46
Ferry County Rural 16.9 1,237 2,917
Douglas County Urban 25.1 10,965 443
Cowlitz County Urban 22.6 25,242 1,288
Columbia County Rural 16.9 675 2,917
Clark County Urban 23.1 118,096 1,087
Clallam County Rural 16.4 12,693 2,956
Chelan County Urban 22.8 18,117 1,209
Benton County Urban 26.4 55,504 241
Asotin County Urban 19.6 4,393 2,404
Adams County Rural 35.0 7,245 12
Notes:
Created by statecancerprofiles.cancer.gov on 07/09/2025 10:48 am.

Φ Rural-Urban Continuum Codes provided by the USDA.

Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.

Data for United States does not include Puerto Rico.

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