Portland, South Portland, Biddeford Metro Area Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Portland, South Portland, Biddeford Area | Maine | U.S. |
| Total Housing Units | 264,243, 100% | 724,685 | 132,741,033 |
| 1 Room | 4,747, 1.80%, see rank | 2.56% | 1.95% |
| 2 Rooms | 8,006, 3.03%, see rank | 3.57% | 2.48% |
| 3 Rooms | 23,305, 8.82%, see rank | 9.58% | 9.13% |
| 4 Rooms | 45,031, 17.04%, see rank | 17.70% | 16.60% |
| 5 Rooms | 49,475, 18.72%, see rank | 20.22% | 20.41% |
| 6 Rooms | 49,057, 18.57%, see rank | 17.50% | 18.06% |
| 7 Rooms | 34,467, 13.04%, see rank | 11.95% | 12.27% |
| 8 Rooms | 22,654, 8.57%, see rank | 7.74% | 8.48% |
| 9 Rooms or More | 27,501, 10.41%, see rank | 9.17% | 10.60% |
| Median Rooms | 5.50, see rank | 5.30 | 5.50 |
ACS 2008-2012 data
| | Portland, South Portland, Biddeford Area | Maine | U.S. |
| Total Housing Units | 262,571, 100% | 721,171 | 131,642,457 |
| 1 Room | 4,685, 1.78%, see rank | 2.44% | 1.95% |
| 2 Rooms | 7,930, 3.02%, see rank | 3.37% | 2.36% |
| 3 Rooms | 23,075, 8.79%, see rank | 9.42% | 8.97% |
| 4 Rooms | 44,319, 16.88%, see rank | 17.67% | 16.57% |
| 5 Rooms | 50,293, 19.15%, see rank | 20.35% | 20.41% |
| 6 Rooms | 49,300, 18.78%, see rank | 17.62% | 18.25% |
| 7 Rooms | 33,933, 12.92%, see rank | 12.14% | 12.38% |
| 8 Rooms | 22,984, 8.75%, see rank | 7.89% | 8.59% |
| 9 Rooms or More | 26,052, 9.92%, see rank | 9.09% | 10.52% |
| Median Rooms | 5.50, see rank | 5.30 | 5.50 |
ACS 2006-2010 data
| | Portland, South Portland, Biddeford Area | Maine | U.S. |
| Total Housing Units | 259,790, 100% | 714,270 | 130,038,080 |
| 1 Room | 4,033, 1.55%, see rank | 2.08% | 1.59% |
| 2 Rooms | 8,565, 3.30%, see rank | 3.58% | 2.62% |
| 3 Rooms | 23,524, 9.06%, see rank | 9.57% | 9.02% |
| 4 Rooms | 44,082, 16.97%, see rank | 18.04% | 16.85% |
| 5 Rooms | 50,359, 19.38%, see rank | 20.72% | 20.93% |
| 6 Rooms | 48,523, 18.68%, see rank | 17.76% | 18.56% |
| 7 Rooms | 34,840, 13.41%, see rank | 12.24% | 12.38% |
| 8 Rooms | 21,998, 8.47%, see rank | 7.66% | 8.39% |
| 9 Rooms or More | 23,866, 9.19%, see rank | 8.35% | 9.65% |
| Median Rooms | 5.50, see rank | 5.30 | 5.50 |
ACS 2005-2009 data
| | Portland, South Portland, Biddeford Area | Maine | U.S. |
| Total Housing Units | 254,289, 100% | 696,948 | 127,699,712 |
| 1 Room | 3,525, 1.39%, see rank | 1.84% | 1.39% |
| 2 Rooms | 8,775, 3.45%, see rank | 3.78% | 2.78% |
| 3 Rooms | 22,625, 8.90%, see rank | 9.55% | 9.07% |
| 4 Rooms | 44,391, 17.46%, see rank | 18.38% | 17.03% |
| 5 Rooms | 49,772, 19.57%, see rank | 20.93% | 21.24% |
| 6 Rooms | 47,796, 18.80%, see rank | 17.83% | 18.70% |
| 7 Rooms | 32,930, 12.95%, see rank | 11.97% | 12.36% |
| 8 Rooms | 21,264, 8.36%, see rank | 7.51% | 8.26% |
| 9 Rooms or More | 23,211, 9.13%, see rank | 8.21% | 9.16% |
| Median Rooms | 5.50, see rank | 5.30 | 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.
