Chicago, Naperville, Joliet Metro Area Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Chicago, Naperville, Joliet Area | % | U.S. |
| Total Housing Units | 3,799,255 | 100% | 132,741,033 |
| 1 Room | 94,409 | 2.48%, see rank | 1.95% |
| 2 Rooms | 89,429 | 2.35%, see rank | 2.48% |
| 3 Rooms | 342,941 | 9.03%, see rank | 9.13% |
| 4 Rooms | 616,312 | 16.22%, see rank | 16.60% |
| 5 Rooms | 752,022 | 19.79%, see rank | 20.41% |
| 6 Rooms | 668,760 | 17.60%, see rank | 18.06% |
| 7 Rooms | 445,340 | 11.72%, see rank | 12.27% |
| 8 Rooms | 336,309 | 8.85%, see rank | 8.48% |
| 9 Rooms or More | 453,733 | 11.94%, see rank | 10.60% |
| Median Rooms | 5.50, see rank | - | 5.50 |
ACS 2008-2012 data
| | Chicago, Naperville, Joliet Area | % | U.S. |
| Total Housing Units | 3,794,290 | 100% | 131,642,457 |
| 1 Room | 100,755 | 2.66%, see rank | 1.95% |
| 2 Rooms | 83,056 | 2.19%, see rank | 2.36% |
| 3 Rooms | 332,609 | 8.77%, see rank | 8.97% |
| 4 Rooms | 610,534 | 16.09%, see rank | 16.57% |
| 5 Rooms | 752,026 | 19.82%, see rank | 20.41% |
| 6 Rooms | 671,204 | 17.69%, see rank | 18.25% |
| 7 Rooms | 447,734 | 11.80%, see rank | 12.38% |
| 8 Rooms | 336,738 | 8.87%, see rank | 8.59% |
| 9 Rooms or More | 459,634 | 12.11%, see rank | 10.52% |
| Median Rooms | 5.50, see rank | - | 5.50 |
ACS 2006-2010 data
| | Chicago, Naperville, Joliet Area | % | U.S. |
| Total Housing Units | 3,773,438 | 100% | 130,038,080 |
| 1 Room | 85,303 | 2.26%, see rank | 1.59% |
| 2 Rooms | 89,490 | 2.37%, see rank | 2.62% |
| 3 Rooms | 327,239 | 8.67%, see rank | 9.02% |
| 4 Rooms | 609,314 | 16.15%, see rank | 16.85% |
| 5 Rooms | 764,584 | 20.26%, see rank | 20.93% |
| 6 Rooms | 682,028 | 18.07%, see rank | 18.56% |
| 7 Rooms | 450,498 | 11.94%, see rank | 12.38% |
| 8 Rooms | 335,792 | 8.90%, see rank | 8.39% |
| 9 Rooms or More | 429,190 | 11.37%, see rank | 9.65% |
| Median Rooms | 5.50, see rank | - | 5.50 |
ACS 2005-2009 data
| | Chicago, Naperville, Joliet Area | % | U.S. |
| Total Housing Units | 3,739,501 | 100% | 127,699,712 |
| 1 Room | 77,837 | 2.08%, see rank | 1.39% |
| 2 Rooms | 93,684 | 2.51%, see rank | 2.78% |
| 3 Rooms | 327,636 | 8.76%, see rank | 9.07% |
| 4 Rooms | 605,027 | 16.18%, see rank | 17.03% |
| 5 Rooms | 770,752 | 20.61%, see rank | 21.24% |
| 6 Rooms | 680,715 | 18.20%, see rank | 18.70% |
| 7 Rooms | 447,612 | 11.97%, see rank | 12.36% |
| 8 Rooms | 331,859 | 8.87%, see rank | 8.26% |
| 9 Rooms or More | 404,379 | 10.81%, see rank | 9.16% |
| Median Rooms | 5.50, see rank | - | 5.40 |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
