Portland, South Portland, Biddeford Metro Area Historical House Amount of Units in Structure 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-unit, Detached | 175,669, 66.48%, see rank | 69.60% | 61.65% |
| 1-unit, Attached | 10,756, 4.07%, see rank | 2.26% | 5.82% |
| 2 Units | 16,865, 6.38%, see rank | 5.22% | 3.75% |
| 3 or 4 Units | 17,091, 6.47%, see rank | 5.53% | 4.43% |
| 5 to 9 Units | 11,044, 4.18%, see rank | 3.80% | 4.78% |
| 10 or More Units | 17,269, 6.54%, see rank | 4.71% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 15,549, 5.88%, see rank | 8.88% | 6.49% |
ACS 2008-2012 data
| | Portland, South Portland, Biddeford Area | Maine | U.S. |
| Total Housing Units | 262,571, 100% | 721,171 | 131,642,457 |
| 1-unit, Detached | 173,421, 66.05%, see rank | 69.45% | 61.70% |
| 1-unit, Attached | 10,554, 4.02%, see rank | 2.25% | 5.79% |
| 2 Units | 17,008, 6.48%, see rank | 5.29% | 3.80% |
| 3 or 4 Units | 17,145, 6.53%, see rank | 5.51% | 4.44% |
| 5 to 9 Units | 12,052, 4.59%, see rank | 3.98% | 4.78% |
| 10 or More Units | 17,029, 6.49%, see rank | 4.59% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 15,362, 5.85%, see rank | 8.93% | 6.60% |
ACS 2006-2010 data
| | Portland, South Portland, Biddeford Area | Maine | U.S. |
| Total Housing Units | 259,790, 100% | 714,270 | 130,038,080 |
| 1-unit, Detached | 171,677, 66.08%, see rank | 69.40% | 61.62% |
| 1-unit, Attached | 10,149, 3.91%, see rank | 2.19% | 5.74% |
| 2 Units | 16,861, 6.49%, see rank | 5.26% | 3.88% |
| 3 or 4 Units | 17,118, 6.59%, see rank | 5.51% | 4.47% |
| 5 to 9 Units | 12,509, 4.82%, see rank | 4.13% | 4.84% |
| 10 or More Units | 16,497, 6.35%, see rank | 4.50% | 12.68% |
| Mobile Home, Boat, RV, Van, etc. | 14,979, 5.77%, see rank | 9.01% | 6.76% |
ACS 2005-2009 data
| | Portland, South Portland, Biddeford Area | Maine | U.S. |
| Total Housing Units | 254,289, 100% | 696,948 | 127,699,712 |
| 1-unit, Detached | 167,310, 65.80%, see rank | 68.86% | 61.57% |
| 1-unit, Attached | 10,032, 3.95%, see rank | 2.19% | 5.70% |
| 2 Units | 16,559, 6.51%, see rank | 5.35% | 3.94% |
| 3 or 4 Units | 17,216, 6.77%, see rank | 5.67% | 4.51% |
| 5 to 9 Units | 12,425, 4.89%, see rank | 4.28% | 4.87% |
| 10 or More Units | 15,576, 6.13%, see rank | 4.46% | 12.58% |
| Mobile Home, Boat, RV, Van, etc. | 15,171, 5.97%, see rank | 9.18% | 6.85% |
* 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.
