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Office of the Deputy Mayor for Education

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Adult and Youth Population Trends

The adult population in Washington, DC (age 18 and older) started steadily increasing after 2000. The child population (ages 17 and younger) did not start increasing until after 2010. Between 2010 and 2017 (latest data available by age group), the Census estimated that the child population increased by a little more than 69,000 adults and nearly 25,000 children.

Adult and Child Population in the District of Columbia, 1990-2017

 

The 18 to 34 year old age group grew substantially between 2000 and 2010, after declining the prior decade. Between 2000 and 2010, this “millennial” group grew by more than 37,000 people and they are estimated to have grown by more than 25,000 between 2010 and 2017. The 35 to 64 year old group has been steadily increasing since 1990. They grew by more than 28,000 people between 2010 and 2017.

Adult Population by Age Groups in the District of Columbia, 1990-2017

Sources: US Census Bureau Decennial Census and 2017 Population Estimates

 

The estimated number of children under age 5 and those aged 5 to 13 have both increased by more than 12,000 children between 2010 and 2017. The number of 14 to 17 year olds have steadily decreased since 1990.

Child Population by Age Groups in the District of Columbia, 1990-2017

 Sources: US Census Bureau Decennial Census and 2017 Population Estimates

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