Middlesex County Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | Middlesex County | Massachusetts | U.S. |
| Total Housing Units | 614,879, 100% | 2,816,875 | 132,741,033 |
| 1-unit, Detached | 299,703, 48.74%, see rank | 52.24% | 61.65% |
| 1-unit, Attached | 38,852, 6.32%, see rank | 5.19% | 5.82% |
| 2 Units | 78,059, 12.70%, see rank | 10.16% | 3.75% |
| 3 or 4 Units | 54,625, 8.88%, see rank | 10.94% | 4.43% |
| 5 to 9 Units | 31,482, 5.12%, see rank | 5.95% | 4.78% |
| 10 or More Units | 109,550, 17.82%, see rank | 14.65% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 2,608, 0.42%, see rank | 0.87% | 6.49% |
ACS 2008-2012 data
| | Middlesex County | Massachusetts | U.S. |
| Total Housing Units | 611,338, 100% | 2,804,206 | 131,642,457 |
| 1-unit, Detached | 298,215, 48.78%, see rank | 52.47% | 61.70% |
| 1-unit, Attached | 37,571, 6.15%, see rank | 5.03% | 5.79% |
| 2 Units | 81,586, 13.35%, see rank | 10.40% | 3.80% |
| 3 or 4 Units | 54,760, 8.96%, see rank | 10.89% | 4.44% |
| 5 to 9 Units | 31,742, 5.19%, see rank | 6.00% | 4.78% |
| 10 or More Units | 104,931, 17.16%, see rank | 14.34% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 2,533, 0.41%, see rank | 0.87% | 6.60% |
ACS 2006-2010 data
| | Middlesex County | Massachusetts | U.S. |
| Total Housing Units | 607,199, 100% | 2,786,077 | 130,038,080 |
| 1-unit, Detached | 297,686, 49.03%, see rank | 52.51% | 61.62% |
| 1-unit, Attached | 35,826, 5.90%, see rank | 4.88% | 5.74% |
| 2 Units | 83,514, 13.75%, see rank | 10.59% | 3.88% |
| 3 or 4 Units | 53,640, 8.83%, see rank | 10.92% | 4.47% |
| 5 to 9 Units | 31,843, 5.24%, see rank | 6.13% | 4.84% |
| 10 or More Units | 102,579, 16.89%, see rank | 14.10% | 12.68% |
| Mobile Home, Boat, RV, Van, etc. | 2,111, 0.35%, see rank | 0.87% | 6.76% |
ACS 2005-2009 data
| | Middlesex County | Massachusetts | U.S. |
| Total Housing Units | 594,159, 100% | 2,727,374 | 127,699,712 |
| 1-unit, Detached | 292,265, 49.19%, see rank | 52.98% | 61.57% |
| 1-unit, Attached | 34,296, 5.77%, see rank | 4.72% | 5.70% |
| 2 Units | 83,472, 14.05%, see rank | 10.74% | 3.94% |
| 3 or 4 Units | 52,169, 8.78%, see rank | 10.78% | 4.51% |
| 5 to 9 Units | 31,165, 5.25%, see rank | 6.10% | 4.87% |
| 10 or More Units | 98,781, 16.63%, see rank | 13.80% | 12.58% |
| Mobile Home, Boat, RV, Van, etc. | 2,011, 0.34%, see rank | 0.88% | 6.85% |
US Census 2000 data
| | Middlesex County | Massachusetts | U.S. |
| Total Housing Units | 576,681, 100% | 2,621,989 | 115,904,641 |
| 1-unit, Detached | 282,013, 48.90%, see rank | 52.42% | 60.28% |
| 1-unit, Attached | 25,690, 4.45%, see rank | 3.97% | 5.56% |
| 2 Units | 88,579, 15.36%, see rank | 11.61% | 4.31% |
| 3 or 4 Units | 54,636, 9.47%, see rank | 11.42% | 4.74% |
| 5 to 9 Units | 29,425, 5.10%, see rank | 5.95% | 4.67% |
| 10 or More Units | 93,822, 16.27%, see rank | 13.68% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 2,516, 0.44%, see rank | 0.94% | 7.80% |
* 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.
