Chicago-Naperville, IL-IN-WI Combined Statistical Area Demographics
Chicago-Naperville, IL-IN-WI Combined Statistical Area is the 4th most populous of 184 combined statistical areas in the United States, with 9,985,034 residents across 10,634 square miles. That is about 939 people per square mile.
At the 2020 census
| Population | 9,985,034 |
|---|---|
| Land area | 10,634 sq mi |
| Density | 939 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Chicago-Naperville, IL-IN-WI Combined Statistical Area compares to the US
We're computing this combined statistical area's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Chicago-Naperville, IL-IN-WI Combined Statistical Area
Measured from the combined statistical area's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Chicago-Naperville, IL-IN-WI Combined Statistical Area — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Counties in the Chicago-Naperville, IL-IN-WI Combined Statistical Area area
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| County Cook | 5,273,615 | 945.3 | 5,579 |
| DuPage County, IL | 932,877 | 327.8 | 2,846 |
| County Lake | 714,359 | 443.7 | 1,610 |
| County Will | 696,355 | 836.9 | 832 |
| Kane County | 516,522 | 519.4 | 995 |
| Lake County | 498,700 | 498.9 | 1,000 |
| McHenry County, IL | 310,229 | 603.4 | 514 |
| Porter County, IN | 173,215 | 418.1 | 414 |
| Kenosha County | 169,134 | 271.8 | 622 |
| County Kendall | 131,869 | 320.3 | 412 |
| LaPorte County, IN | 112,417 | 598.3 | 188 |
| LaSalle County, IL | 109,658 | 1,135.2 | 97 |
| Kankakee County, IL | 107,502 | 676.5 | 159 |
| DeKalb County | 100,420 | 631.3 | 159 |
| Grundy County | 52,533 | 418.1 | 126 |
| Bureau County | 33,244 | 869.1 | 38 |
| County Jasper | 32,918 | 559.6 | 59 |
| Newton County | 13,830 | 401.8 | 34 |
| Putnam County, IL | 5,637 | 160.1 | 35 |
Related places
Nearest combined statistical areas
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- Champaign-Urbana-Danville, IL Combined Statistical Area
- Dixon-Sterling, IL Combined Statistical Area
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About this page
This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.
Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.