The Annie E. Casey Foundation
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Illinois

Statistics on children, youth and families in Illinois from the Annie E. Casey Foundation and YWCA Metropolitan Chicago

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YWCA Metropolitan Chicago

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Child population by age group in Illinois

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Why This Indicator Matters

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Definition and Source

PROVIDER

Definition

Number and Percentage of total population by age group of the population residing in respective Illinois geographic areas. Metropolitan Chicago defined as Cook County and the five collar counties (DuPage, Kane, Lake, McHenry, and Will).

Data Source

U.S. Census Bureau, Population Estimates Program.

Data for 2020 and 2021 are Vintage 2021 estimates. Data for 2010 through 2019 are Vintage 2020 population estimates. Each year the U.S. Census Bureau revises estimates back to the most recent Census. Therefore, data presented here may differ from previously published estimates. Figures for 2000 and 2010 represented revised population estimates for July 1, 2000 and July 1, 2010 - not actual Census counts from April 1, 2000 and April 1, 2010.

Notes

UPDATED - December 2022

Last Updated

December 2023