01721 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 01721 Zip Code | Massachusetts | U.S. |
| Total Housing Units | 6,747, 100% | 2,816,875 | 132,741,033 |
| 1-unit, Detached | 4,031, 59.75%, see rank | 52.24% | 61.65% |
| 1-unit, Attached | 1,116, 16.54%, see rank | 5.19% | 5.82% |
| 2 Units | 250, 3.71%, see rank | 10.16% | 3.75% |
| 3 or 4 Units | 886, 13.13%, see rank | 10.94% | 4.43% |
| 5 to 9 Units | 206, 3.05%, see rank | 5.95% | 4.78% |
| 10 or More Units | 258, 3.82%, see rank | 14.65% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 0, 0.00%, see rank | 0.87% | 6.49% |
ACS 2008-2012 data
| | 01721 Zip Code | Massachusetts | U.S. |
| Total Housing Units | 6,578, 100% | 2,804,206 | 131,642,457 |
| 1-unit, Detached | 3,956, 60.14%, see rank | 52.47% | 61.70% |
| 1-unit, Attached | 1,060, 16.11%, see rank | 5.03% | 5.79% |
| 2 Units | 303, 4.61%, see rank | 10.40% | 3.80% |
| 3 or 4 Units | 745, 11.33%, see rank | 10.89% | 4.44% |
| 5 to 9 Units | 205, 3.12%, see rank | 6.00% | 4.78% |
| 10 or More Units | 309, 4.70%, see rank | 14.34% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 0, 0.00%, see rank | 0.87% | 6.60% |
US Census 2000 data
| | 01721 Zip Code | Massachusetts | U.S. |
| Total Housing Units | 5,794, 100% | 2,621,989 | 115,904,641 |
| 1-unit, Detached | 3,506, 60.51%, see rank | 52.42% | 60.28% |
| 1-unit, Attached | 824, 14.22%, see rank | 3.97% | 5.56% |
| 2 Units | 292, 5.04%, see rank | 11.61% | 4.31% |
| 3 or 4 Units | 581, 10.03%, see rank | 11.42% | 4.74% |
| 5 to 9 Units | 238, 4.11%, see rank | 5.95% | 4.67% |
| 10 or More Units | 348, 6.01%, see rank | 13.68% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 5, 0.09%, 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.
