Lake County Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Lake County | Illinois | U.S. |
| Total Housing Units | 260,834, 100% | 5,299,433 | 132,741,033 |
| 1 Room | 2,227, 0.85%, see rank | 2.20% | 1.95% |
| 2 Rooms | 3,398, 1.30%, see rank | 2.22% | 2.48% |
| 3 Rooms | 16,361, 6.27%, see rank | 8.27% | 9.13% |
| 4 Rooms | 33,669, 12.91%, see rank | 16.08% | 16.60% |
| 5 Rooms | 41,023, 15.73%, see rank | 20.31% | 20.41% |
| 6 Rooms | 43,702, 16.75%, see rank | 18.17% | 18.06% |
| 7 Rooms | 35,121, 13.46%, see rank | 12.12% | 12.27% |
| 8 Rooms | 32,003, 12.27%, see rank | 8.93% | 8.48% |
| 9 Rooms or More | 53,330, 20.45%, see rank | 11.70% | 10.60% |
| Median Rooms | 6.30, see rank | 5.60 | 5.50 |
ACS 2008-2012 data
| | Lake County | Illinois | U.S. |
| Total Housing Units | 260,020, 100% | 5,293,619 | 131,642,457 |
| 1 Room | 2,426, 0.93%, see rank | 2.27% | 1.95% |
| 2 Rooms | 2,838, 1.09%, see rank | 2.06% | 2.36% |
| 3 Rooms | 15,755, 6.06%, see rank | 8.08% | 8.97% |
| 4 Rooms | 31,830, 12.24%, see rank | 16.02% | 16.57% |
| 5 Rooms | 41,270, 15.87%, see rank | 20.31% | 20.41% |
| 6 Rooms | 42,845, 16.48%, see rank | 18.21% | 18.25% |
| 7 Rooms | 34,929, 13.43%, see rank | 12.29% | 12.38% |
| 8 Rooms | 32,754, 12.60%, see rank | 8.98% | 8.59% |
| 9 Rooms or More | 55,373, 21.30%, see rank | 11.78% | 10.52% |
| Median Rooms | 6.30, see rank | 5.60 | 5.50 |
ACS 2006-2010 data
| | Lake County | Illinois | U.S. |
| Total Housing Units | 257,971, 100% | 5,267,614 | 130,038,080 |
| 1 Room | 1,764, 0.68%, see rank | 1.89% | 1.59% |
| 2 Rooms | 3,189, 1.24%, see rank | 2.25% | 2.62% |
| 3 Rooms | 15,753, 6.11%, see rank | 8.07% | 9.02% |
| 4 Rooms | 32,398, 12.56%, see rank | 16.25% | 16.85% |
| 5 Rooms | 41,098, 15.93%, see rank | 20.76% | 20.93% |
| 6 Rooms | 43,453, 16.84%, see rank | 18.53% | 18.56% |
| 7 Rooms | 35,053, 13.59%, see rank | 12.32% | 12.38% |
| 8 Rooms | 32,750, 12.70%, see rank | 8.96% | 8.39% |
| 9 Rooms or More | 52,513, 20.36%, see rank | 10.96% | 9.65% |
| Median Rooms | 6.30, see rank | 5.50 | 5.50 |
ACS 2005-2009 data
| | Lake County | Illinois | U.S. |
| Total Housing Units | 251,726, 100% | 5,234,756 | 127,699,712 |
| 1 Room | 1,683, 0.67%, see rank | 1.73% | 1.39% |
| 2 Rooms | 3,454, 1.37%, see rank | 2.38% | 2.78% |
| 3 Rooms | 14,693, 5.84%, see rank | 8.21% | 9.07% |
| 4 Rooms | 31,393, 12.47%, see rank | 16.40% | 17.03% |
| 5 Rooms | 41,005, 16.29%, see rank | 21.07% | 21.24% |
| 6 Rooms | 42,513, 16.89%, see rank | 18.62% | 18.70% |
| 7 Rooms | 34,203, 13.59%, see rank | 12.35% | 12.36% |
| 8 Rooms | 32,353, 12.85%, see rank | 8.88% | 8.26% |
| 9 Rooms or More | 50,429, 20.03%, see rank | 10.37% | 9.16% |
| Median Rooms | 6.30, see rank | 5.50 | 5.40 |
US Census 2000 data
| | Lake County | Illinois | U.S. |
| Total Housing Units | 225,919, 100% | 4,885,615 | 115,904,641 |
| 1 Room | 2,125, 0.94%, see rank | 1.95% | 2.20% |
| 2 Rooms | 5,971, 2.64%, see rank | 3.80% | 4.81% |
| 3 Rooms | 15,207, 6.73%, see rank | 8.53% | 9.84% |
| 4 Rooms | 26,783, 11.86%, see rank | 15.96% | 15.97% |
| 5 Rooms | 35,970, 15.92%, see rank | 21.73% | 20.89% |
| 6 Rooms | 37,558, 16.62%, see rank | 18.61% | 18.45% |
| 7 Rooms | 33,211, 14.70%, see rank | 12.30% | 12.06% |
| 8 Rooms | 30,387, 13.45%, see rank | 8.72% | 8.06% |
| 9 Rooms or More | 38,707, 17.13%, see rank | 8.40% | 7.70% |
| Median Rooms | 6.20, 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.
