University of Illinois Urbana‑Champaign

Illinois Children by the Numbers (2021 edition)

Published: June 28, 2021

Looking for an update? Go to the 2022 edition

Number of children in Illinois age 5 and under in 2019: 908,741

Percent of total population: 7.1%

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Number of children in Illinois age 2 and under in 2019: 450,730

Percent of total population: 3.5%

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Illinois counties with more births in 2019 than in 2010: Cass, Clinton, Cumberland, Douglas, Iroquois, Piatt, Pope, Washington, Woodford*

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Percent of children age 5 and under living in families with income twice, or four times, the federal poverty level: 61.3%

(In 2019, twice the FPL would be $51,500 for a family of four, and four times would be $103,000)

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Percent of children under age 5 whose race/ethnicity is reported as "Two or More Races, Non-Hispanic or Latino" in 2019: 4.7%

Percent of children under age 5 whose race/ethnicity is reported as "Asian, Non-Hispanic or Latino" in 2019: 4.7%

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Number of children age 5 and under living with two working parents in 2019: 368,934

Percent of children age 5 and under living with two working parents in 2019: 41.6%

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The third most common language spoken or being learned by children birth through age 5 in Illinois in 2019: Polish
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Number of Illinois children enrolled in early intervention in 2019: 23,086

Number of Illinois childen enrolled in early intervention in 2020: 22,474

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Source: IECAM demographers prepared estimates of population based on Census Bureau estimates from the Population Estimates Program and the American Community Survey (ACS), 5-year estimates

*Data source: Illinois Department of Public Health