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People Statistics · Region

Children under 15 in Illinois

1990 – 2024 · 35 data points 28 of 51 · Regions of United States Updated Oct 21, 2026
People · Illinois United States

Source: OECD Regional Database, 1990 – 2024

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Overview 6 figures People 18 figures Economy 20 figures Housing 8 figures Education 10 figures Tourism 3 figures Climate 3 figures
Latest value · 2024 17.2% −0.3 pp since 2023
Regions of United States · 2024 28 of 51 Place 1 is the highest value.
since 2014 −2.0 pp
vs United States −0.3 pp United States: 17.6% · 2024
Children under 15, 1990 – 2024 percent · Illinois · United States · World
−2.0 pp since 2014
Illinois United States World

Sources: OECD Regional Database · World Bank — World Development Indicators, 1990 – 2024

Compared with Children under 15 · percent
Illinois
17.2%
United States
17.6%
World
24.4% · 2025

Sources: OECD Regional Database · World Bank — World Development Indicators

The series at a glance Illinois · 1990 – 2024
Latest value 17.2% · 2024
First value 21.6% · 1990
Highest 22.0% · 1996
Lowest 17.2% · 2024
Data points 35

By year

All years · 1990 – 2024

YearIllinoisChange United StatesWorld
2024 17.2% −0.3 pp 17.6% 24.7%
2023 17.5% −0.3 pp 17.8% 25.0%
2022 17.8% −0.3 pp 18.0% 25.3%
2021 18.1% −0.3 pp 18.3% 25.6%
2020 18.4% −0.4 pp 18.5% 25.8%
2019 18.8% +0.3 pp 18.5% 26.0%
2018 18.5% −0.2 pp 18.6% 26.2%
2017 18.7% −0.2 pp 18.8% 26.4%
2016 18.8% −0.2 pp 18.9% 26.5%
2015 19.0% −0.2 pp 19.0% 26.6%
2014 19.2% −0.2 pp 19.2% 26.8%
2013 19.4% −0.2 pp 19.3% 26.9%
2012 19.6% −0.2 pp 19.5% 27.0%
2011 19.8% −0.2 pp 19.6% 27.1%
2010 20.0% −0.2 pp 19.8% 27.3%
2009 20.2% −0.1 pp 19.9% 27.5%
2008 20.3% −0.2 pp 20.0% 27.6%
2007 20.5% −0.2 pp 20.1% 27.9%
2006 20.7% −0.2 pp 20.3% 28.1%
2005 20.9% −0.2 pp 20.5% 28.5%
2004 21.2% −0.2 pp 20.7% 28.8%
2003 21.4% −0.1 pp 20.9% 29.2%
2002 21.5% −0.1 pp 21.1% 29.6%
2001 21.6% −0.1 pp 21.2% 30.0%
2000 21.8% −0.1 pp 21.4% 30.4%
1999 21.9% −0.0 pp 21.5% 30.8%
1998 21.9% −0.1 pp 21.6% 31.1%
1997 22.0% −0.0 pp 21.7% 31.5%
1996 22.0% +0.0 pp 21.8% 31.8%
1995 22.0% +0.0 pp 21.9% 32.1%
1994 22.0% +0.1 pp 22.0% 32.3%
1993 21.9% ±0.0 pp 22.0% 32.5%
1992 21.9% +0.1 pp 21.9% 32.7%
1991 21.8% +0.2 pp 21.8% 32.9%
1990 21.6% 21.7% 33.0%

Sources: OECD Regional Database · World Bank — World Development Indicators, 1990 – 2024

Ranking · Regions of United States

2016 · Place 1 is the highest value.

Year: 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
Highest first Lowest first A–Z
#TerritoryChildren under 15
1 Utah 25.4%
2 Texas 21.9%
3 Idaho 21.6%
4 Alaska 21.2%
5 South Dakota 20.9%
6 Nebraska 20.8%
7 Kansas 20.5%
8 Oklahoma 20.5%
9 Georgia 20.1%
10 Wyoming 20.0%
11 Mississippi 19.9%
12 Louisiana 19.8%
13 North Dakota 19.8%
14 New Mexico 19.6%
15 Indiana 19.6%
16 Arkansas 19.6%
17 Arizona 19.5%
18 Minnesota 19.5%
19 Iowa 19.4%
20 California 19.3%
21 Nevada 19.2%
22 Colorado 19.0%
23 Kentucky 18.9%
24 Illinois 18.8%
25 Missouri 18.8%
26 Tennessee 18.7%
27 Washington 18.7%
28 North Carolina 18.6%
29 Alabama 18.6%
30 Maryland 18.6%
31 Ohio 18.5%
32 Virginia 18.4%
33 Wisconsin 18.4%
34 South Carolina 18.3%
35 New Jersey 18.3%
36 Montana 18.3%
37 Hawaii 18.2%
38 Michigan 18.0%
39 Delaware 17.8%
40 Oregon 17.6%
41 New York 17.5%
42 Pennsylvania 17.2%
43 Connecticut 17.0%
44 West Virginia 16.9%
45 Florida 16.6%
46 Massachusetts 16.5%
47 Rhode Island 16.2%
48 New Hampshire 15.9%
49 Maine 15.6%
50 District of Columbia 15.4%
51 Vermont 15.4%

Source: OECD Regional Database, 2016

What it means

The share of residents who are children.

How it is calculated

Residents aged 0–14 divided by the total population.