21842 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21842 Zip Code | Maryland | U.S. |
| Total Housing Units | 32,899, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 4,354, 13.23%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 1,745, 5.30%, see rank | 21.19% | 5.82% |
| 2 Units | 541, 1.64%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 1,355, 4.12%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 3,113, 9.46%, see rank | 4.94% | 4.78% |
| 10 or More Units | 19,725, 59.96%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 2,066, 6.28%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21842 Zip Code | Maryland | U.S. |
| Total Housing Units | 33,165, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 4,887, 14.74%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 1,839, 5.55%, see rank | 21.10% | 5.79% |
| 2 Units | 590, 1.78%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 1,282, 3.87%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 3,402, 10.26%, see rank | 5.02% | 4.78% |
| 10 or More Units | 19,255, 58.06%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 1,910, 5.76%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21842 Zip Code | Maryland | U.S. |
| Total Housing Units | 28,250, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 3,801, 13.45%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 1,531, 5.42%, see rank | 21.04% | 5.56% |
| 2 Units | 661, 2.34%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 1,586, 5.61%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 2,573, 9.11%, see rank | 5.60% | 4.67% |
| 10 or More Units | 16,023, 56.72%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 2,075, 7.35%, see rank | 1.96% | 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.
