Interpretation of Demographics Data
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 Value
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,645,238.
- Rank within US : N/A
Washington
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,675,898.
- Rank within US : This state is ranked 32 of 52
Adams County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 35.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,245.
- Rank within US : This county is ranked 12 of 3143
Franklin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 31.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 30,706.
- Rank within US : This county is ranked 46 of 3143
Yakima County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 29.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 75,097.
- Rank within US : This county is ranked 96 of 3143
Grant County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 28.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 28,878.
- Rank within US : This county is ranked 115 of 3143
Benton County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 26.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 55,504.
- Rank within US : This county is ranked 241 of 3143
Douglas County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 25.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,965.
- Rank within US : This county is ranked 443 of 3143
Pierce County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 214,439.
- Rank within US : This county is ranked 1042 of 3143
Clark County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 118,096.
- Rank within US : This county is ranked 1087 of 3143
Chelan County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 18,117.
- Rank within US : This county is ranked 1209 of 3143
Cowlitz County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 25,242.
- Rank within US : This county is ranked 1288 of 3143
Snohomish County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 186,635.
- Rank within US : This county is ranked 1385 of 3143
Okanogan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,537.
- Rank within US : This county is ranked 1429 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,479.
- Rank within US : This county is ranked 1567 of 3143
Spokane County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 118,425.
- Rank within US : This county is ranked 1646 of 3143
Lewis County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 18,159.
- Rank within US : This county is ranked 1725 of 3143
Stevens County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,104.
- Rank within US : This county is ranked 1876 of 3143
Skagit County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 27,564.
- Rank within US : This county is ranked 1936 of 3143
Thurston County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 21.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 62,593.
- Rank within US : This county is ranked 1936 of 3143
Walla Walla County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,885.
- Rank within US : This county is ranked 2085 of 3143
Grays Harbor County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 20.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 15,273.
- Rank within US : This county is ranked 2300 of 3143
Kitsap County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 55,124.
- Rank within US : This county is ranked 2329 of 3143
King County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 447,121.
- Rank within US : This county is ranked 2359 of 3143
Asotin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,393.
- Rank within US : This county is ranked 2404 of 3143
Mason County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 13,109.
- Rank within US : This county is ranked 2404 of 3143
Pend Oreille County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 19.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,662.
- Rank within US : This county is ranked 2489 of 3143
Whatcom County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 43,119.
- Rank within US : This county is ranked 2581 of 3143
Wahkiakum County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 845.
- Rank within US : This county is ranked 2670 of 3143
Klickitat County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,246.
- Rank within US : This county is ranked 2684 of 3143
Island County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 15,260.
- Rank within US : This county is ranked 2835 of 3143
Kittitas County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,819.
- Rank within US : This county is ranked 2844 of 3143
Garfield County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 17.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 399.
- Rank within US : This county is ranked 2882 of 3143
Skamania County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,084.
- Rank within US : This county is ranked 2908 of 3143
Columbia County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 675.
- Rank within US : This county is ranked 2917 of 3143
Ferry County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,237.
- Rank within US : This county is ranked 2917 of 3143
Clallam County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 16.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,693.
- Rank within US : This county is ranked 2956 of 3143
Whitman County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 15.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,385.
- Rank within US : This county is ranked 3014 of 3143
Pacific County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 15.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,608.
- Rank within US : This county is ranked 3046 of 3143
San Juan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 12.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,331.
- Rank within US : This county is ranked 3111 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 11.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,845.
- Rank within US : This county is ranked 3127 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 07/16/2025 6:53 pm.
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.