Demographics Table
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 Count
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age Under 18)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| Washington | N/A | 21.6 | 1,675,898 | 32 of 52 |
| United States | N/A | 22.2 | 73,645,238 | N/A |
| Garfield County | Rural | 17.2 | 399 | 2,882 |
| Columbia County | Rural | 16.9 | 675 | 2,917 |
| Wahkiakum County | Rural | 18.5 | 845 | 2,670 |
| Ferry County | Rural | 16.9 | 1,237 | 2,917 |
| Skamania County | Urban | 17.0 | 2,084 | 2,908 |
| San Juan County | Rural | 12.8 | 2,331 | 3,111 |
| Lincoln County | Rural | 22.0 | 2,479 | 1,567 |
| Pend Oreille County | Rural | 19.3 | 2,662 | 2,489 |
| Pacific County | Rural | 15.2 | 3,608 | 3,046 |
| Jefferson County | Rural | 11.5 | 3,845 | 3,127 |
| Klickitat County | Rural | 18.4 | 4,246 | 2,684 |
| Asotin County | Urban | 19.6 | 4,393 | 2,404 |
| Adams County | Rural | 35.0 | 7,245 | 12 |
| Whitman County | Rural | 15.7 | 7,385 | 3,014 |
| Kittitas County | Rural | 17.5 | 7,819 | 2,844 |
| Okanogan County | Rural | 22.3 | 9,537 | 1,429 |
| Stevens County | Urban | 21.3 | 10,104 | 1,876 |
| Douglas County | Urban | 25.1 | 10,965 | 443 |
| Clallam County | Rural | 16.4 | 12,693 | 2,956 |
| Walla Walla County | Urban | 20.7 | 12,885 | 2,085 |
| Mason County | Rural | 19.6 | 13,109 | 2,404 |
| Island County | Rural | 17.6 | 15,260 | 2,835 |
| Grays Harbor County | Rural | 20.0 | 15,273 | 2,300 |
| Chelan County | Urban | 22.8 | 18,117 | 1,209 |
| Lewis County | Rural | 21.6 | 18,159 | 1,725 |
| Cowlitz County | Urban | 22.6 | 25,242 | 1,288 |
| Skagit County | Urban | 21.1 | 27,564 | 1,936 |
| Grant County | Rural | 28.8 | 28,878 | 115 |
| Franklin County | Urban | 31.4 | 30,706 | 46 |
| Whatcom County | Urban | 18.9 | 43,119 | 2,581 |
| Kitsap County | Urban | 19.9 | 55,124 | 2,329 |
| Benton County | Urban | 26.4 | 55,504 | 241 |
| Thurston County | Urban | 21.1 | 62,593 | 1,936 |
| Yakima County | Urban | 29.3 | 75,097 | 96 |
| Clark County | Urban | 23.1 | 118,096 | 1,087 |
| Spokane County | Urban | 21.8 | 118,425 | 1,646 |
| Snohomish County | Urban | 22.4 | 186,635 | 1,385 |
| Pierce County | Urban | 23.2 | 214,439 | 1,042 |
| King County | Urban | 19.8 | 447,121 | 2,359 |
Notes:
Created by statecancerprofiles.cancer.gov on 12/12/2025 8:08 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.
Created by statecancerprofiles.cancer.gov on 12/12/2025 8:08 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.