Get the Illinois demographic data that you need. You can get the most current Illinois data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.
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The Illinois demographics on this site are the most current data available from the US Census Bureau.
Currently, most data points are from 2019 datasets – specifically the 2019 American Community Survey (ACS) 5-year dataset. We use the Census’ ACS 5-year dataset for 3 reasons.
We’re constantly updating the demographic reports and this site with the most current data throughout the year.
Got questions about these Illinois demographics? Call us at 1-800-939-2130.
1 | Cook County | 5,198,275 |
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2 | DuPage County | 929,060 |
3 | Lake County | 701,473 |
4 | Will County | 689,315 |
5 | Kane County | 531,376 |
6 | McHenry County | 307,714 |
7 | Winnebago County | 284,819 |
8 | Madison County | 264,776 |
9 | St. Clair County | 262,338 |
10 | Champaign County | 209,922 |
1 | Chicago | 2,709,534 |
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2 | Aurora | 199,927 |
3 | Joliet | 147,826 |
4 | Naperville | 147,501 |
5 | Rockford | 147,070 |
6 | Springfield | 115,888 |
7 | Peoria | 113,532 |
8 | Elgin | 112,653 |
9 | Champaign | 87,636 |
10 | Waukegan | 87,297 |
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Illinois-Demographics.com is made by Cubit – a demographic data provider. Call us at 1-800-939-2130 or email us.
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