O Fallon, IL Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | O Fallon, IL | Illinois | U.S. |
| Total Housing Units | 11,032, 100% | 5,299,433 | 132,741,033 |
| 1 Room | 45, 0.41%, see rank | 2.20% | 1.95% |
| 2 Rooms | 176, 1.60%, see rank | 2.22% | 2.48% |
| 3 Rooms | 558, 5.06%, see rank | 8.27% | 9.13% |
| 4 Rooms | 1,524, 13.81%, see rank | 16.08% | 16.60% |
| 5 Rooms | 1,483, 13.44%, see rank | 20.31% | 20.41% |
| 6 Rooms | 1,569, 14.22%, see rank | 18.17% | 18.06% |
| 7 Rooms | 1,503, 13.62%, see rank | 12.12% | 12.27% |
| 8 Rooms | 1,412, 12.80%, see rank | 8.93% | 8.48% |
| 9 Rooms or More | 2,762, 25.04%, see rank | 11.70% | 10.60% |
| Median Rooms | 6.60, see rank | 5.60 | 5.50 |
ACS 2008-2012 data
| | O Fallon, IL | Illinois | U.S. |
| Total Housing Units | 10,891, 100% | 5,293,619 | 131,642,457 |
| 1 Room | 20, 0.18%, see rank | 2.27% | 1.95% |
| 2 Rooms | 272, 2.50%, see rank | 2.06% | 2.36% |
| 3 Rooms | 538, 4.94%, see rank | 8.08% | 8.97% |
| 4 Rooms | 1,369, 12.57%, see rank | 16.02% | 16.57% |
| 5 Rooms | 1,653, 15.18%, see rank | 20.31% | 20.41% |
| 6 Rooms | 1,856, 17.04%, see rank | 18.21% | 18.25% |
| 7 Rooms | 1,255, 11.52%, see rank | 12.29% | 12.38% |
| 8 Rooms | 1,370, 12.58%, see rank | 8.98% | 8.59% |
| 9 Rooms or More | 2,558, 23.49%, see rank | 11.78% | 10.52% |
| Median Rooms | 6.40, see rank | 5.60 | 5.50 |
ACS 2006-2010 data
| | O Fallon, IL | Illinois | U.S. |
| Total Housing Units | 10,638, 100% | 5,267,614 | 130,038,080 |
| 1 Room | 19, 0.18%, see rank | 1.89% | 1.59% |
| 2 Rooms | 218, 2.05%, see rank | 2.25% | 2.62% |
| 3 Rooms | 511, 4.80%, see rank | 8.07% | 9.02% |
| 4 Rooms | 1,592, 14.97%, see rank | 16.25% | 16.85% |
| 5 Rooms | 1,951, 18.34%, see rank | 20.76% | 20.93% |
| 6 Rooms | 1,708, 16.06%, see rank | 18.53% | 18.56% |
| 7 Rooms | 1,423, 13.38%, see rank | 12.32% | 12.38% |
| 8 Rooms | 1,340, 12.60%, see rank | 8.96% | 8.39% |
| 9 Rooms or More | 1,876, 17.63%, see rank | 10.96% | 9.65% |
| Median Rooms | 6.10, see rank | 5.50 | 5.50 |
ACS 2005-2009 data
| | O Fallon, IL | Illinois | U.S. |
| Total Housing Units | 10,696, 100% | 5,234,756 | 127,699,712 |
| 1 Room | 19, 0.18%, see rank | 1.73% | 1.39% |
| 2 Rooms | 200, 1.87%, see rank | 2.38% | 2.78% |
| 3 Rooms | 569, 5.32%, see rank | 8.21% | 9.07% |
| 4 Rooms | 1,716, 16.04%, see rank | 16.40% | 17.03% |
| 5 Rooms | 1,874, 17.52%, see rank | 21.07% | 21.24% |
| 6 Rooms | 1,671, 15.62%, see rank | 18.62% | 18.70% |
| 7 Rooms | 1,371, 12.82%, see rank | 12.35% | 12.36% |
| 8 Rooms | 1,503, 14.05%, see rank | 8.88% | 8.26% |
| 9 Rooms or More | 1,773, 16.58%, see rank | 10.37% | 9.16% |
| Median Rooms | 6.10, see rank | 5.50 | 5.40 |
US Census 2000 data
| | O Fallon, IL | Illinois | U.S. |
| Total Housing Units | 8,604, 100% | 4,885,615 | 115,904,641 |
| 1 Room | 93, 1.08%, see rank | 1.95% | 2.20% |
| 2 Rooms | 220, 2.56%, see rank | 3.80% | 4.81% |
| 3 Rooms | 373, 4.34%, see rank | 8.53% | 9.84% |
| 4 Rooms | 1,530, 17.78%, see rank | 15.96% | 15.97% |
| 5 Rooms | 1,288, 14.97%, see rank | 21.73% | 20.89% |
| 6 Rooms | 1,377, 16.00%, see rank | 18.61% | 18.45% |
| 7 Rooms | 1,231, 14.31%, see rank | 12.30% | 12.06% |
| 8 Rooms | 1,220, 14.18%, see rank | 8.72% | 8.06% |
| 9 Rooms or More | 1,272, 14.78%, see rank | 8.40% | 7.70% |
| Median Rooms | 6.10, see rank | 5.40 | 5.30 |
* 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.
