Under 18
Each map shows ACS five-year estimates on that period’s boundaries. Boundary changes can affect nearby patterns.
2015–2019
state 2020 boundaries
state 2020 boundaries
% Under 18 (2015–2019)
Geography
Displaying: State (2020 definitions)
This data uses 2020 state definitions, which may differ from 2020 boundaries.
Data Sources & Methodology
American Community Survey 5-Year Estimates (2019)
5-year estimates combine data from 2015 to 2019. This provides more reliable estimates for smaller geographic areas but represents an average over the 5-year period.
B01001
– Sex by Age
Universe: Total population
9 variables
Native geography:State (2020 definitions)
Display geography:State (2020 definitions)
Method:Direct — no transformation needed
Indicators
Under 18 (2015–2019)
Sum of 8 variables, divided by B01001_001E/100
2020–2024
state 2020 boundaries
state 2020 boundaries
% Under 18
Geography
Displaying: State (2020 definitions)
This data uses 2020 state definitions, which may differ from 2020 boundaries.
Data Sources & Methodology
American Community Survey 5-Year Estimates (2024)
5-year estimates combine data from 2020 to 2024. This provides more reliable estimates for smaller geographic areas but represents an average over the 5-year period.
B01001
– Sex by Age
Universe: Total population
9 variables
Native geography:State (2020 definitions)
Display geography:State (2020 definitions)
Method:Direct — no transformation needed
Indicators
Under 18
Sum of 8 variables, divided by B01001_001E/100
- At most 20.47772 %
- At most 21.743905 %
- At most 21.97346 %
- At most 23.230379 %
- Above 23.230379 %
- Gray: unavailable data.