Illinois Radius Demographics | Current Census Data

Demographics by Radius for Illinois Cities

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Top 10 Illinois Cities by Population

Click on the links below to see the 5-mile radius demographics for the largest cities in Illinois.

Rank City City Population
1 Chicago 2,664,452
2 Aurora 177,563
3 Joliet 150,489
4 Naperville 150,245
5 Rockford 146,120
6 Elgin 113,310
7 Springfield 112,544
8 Peoria 110,460
9 Champaign 89,189
10 Waukegan 87,642

Source: 2023 American Community Survey 5-Year Estimates. U.S. Census Bureau.

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Illinois Demographics By Radius

Population

12,692,653

number of people

Child Population

2,808,879

people age 17 years old and younger

Older Population

2,101,833

people age 65 years old and older

Population Density

229

people per square mile

Median Income

$81,702

median household income in 2023 dollars

Low-Income Households

14.8%

Income less than $25,000

High-Income Households

13.1%

Income greater than $200,000

Households

5,001,904

number of households (people who occupy a housing unit)

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How are demographics by radius calculated?

While the US Census Bureau provides annual statistics for small geographies, there's no tool on their website that we know of that produces radius estimates or radius maps. Read our FAQ for the methodology that was used to calculate the above radius demographics.

What is this data from?

The above data and geographies are from the most current data available from the US Census Bureau's American Community Survey (2023). You can use the following citations for this data. You can also learn more about Census' American Community Survey estimates in this FAQ.

How do I cite this data?

You can use the following citations for this data:

  • United States Census Bureau. B01001 SEX BY AGE, 2023 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 12 December 2024. http://www.census.gov/.
  • United States Census Bureau. B19001 HOUSEHOLD INCOME IN THE PAST 12 MONTHS (IN 2023 INFLATION-ADJUSTED DOLLARS), 2023 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 12 December 2024. http://www.census.gov/.
  • United States Census Bureau. B19013 MEDIAN HOUSEHOLD INCOME IN THE PAST 12 MONTHS (IN 2023 INFLATION-ADJUSTED DOLLARS), 2023 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 12 December 2024. http://www.census.gov/.

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