In 2023, about 13.4 percent of the population in Illinois was between the ages of 25 and 34 years old. A further 13.4 percent of people in Illinois were between the ages of 35 and 44 years old.
Distribution of resident population of Illinois in the United States in 2023, by age group
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US Census Bureau. (September 30, 2024). Distribution of resident population of Illinois in the United States in 2023, by age group [Graph]. In Statista. Retrieved December 30, 2024, from https://www.statista.com/statistics/910817/illinois-population-share-age-group/
US Census Bureau. "Distribution of resident population of Illinois in the United States in 2023, by age group." Chart. September 30, 2024. Statista. Accessed December 30, 2024. https://www.statista.com/statistics/910817/illinois-population-share-age-group/
US Census Bureau. (2024). Distribution of resident population of Illinois in the United States in 2023, by age group. Statista. Statista Inc.. Accessed: December 30, 2024. https://www.statista.com/statistics/910817/illinois-population-share-age-group/
US Census Bureau. "Distribution of Resident Population of Illinois in The United States in 2023, by Age Group." Statista, Statista Inc., 30 Sep 2024, https://www.statista.com/statistics/910817/illinois-population-share-age-group/
US Census Bureau, Distribution of resident population of Illinois in the United States in 2023, by age group Statista, https://www.statista.com/statistics/910817/illinois-population-share-age-group/ (last visited December 30, 2024)
Distribution of resident population of Illinois in the United States in 2023, by age group [Graph], US Census Bureau, September 30, 2024. [Online]. Available: https://www.statista.com/statistics/910817/illinois-population-share-age-group/