Population: Illinois Young Children and Overall
Population numbers are provided for all ages and breakdowns of children age 5 and under as well as children ages 6 through 12.

Population numbers are provided for various age breakdowns of young children.
On the Data Hub and Excel spreadsheet for 2023 demographic data, population data are provided for
- Age 2 and under
- Ages 3 and 4
- Age 5
- Age 5 and under
These breakdowns are available by state, county, Birth to Five Illinois region, school district, and Chicago community area for years 2019 and later.
For years 2022 and earlier on IECAM database, population numbers are provided for all available geographic areas for
- Total population
- Under age 1
- Age 1
- Age 2
- Age 3
- Age 4
- Age 5
- Ages 5 and under
- Ages 6 through 12
Source of data: IECAM demographers prepare population estimates based on the Census Bureau’s Population Estimates Program and the American Community Survey, 5-year estimates.
Latest data: 2022