21620 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21620 Zip Code | Maryland | U.S. |
| Total Housing Units | 5,894, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 4,382, 74.35%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 314, 5.33%, see rank | 21.19% | 5.82% |
| 2 Units | 204, 3.46%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 75, 1.27%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 345, 5.85%, see rank | 4.94% | 4.78% |
| 10 or More Units | 347, 5.89%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 227, 3.85%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21620 Zip Code | Maryland | U.S. |
| Total Housing Units | 6,278, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 4,449, 70.87%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 407, 6.48%, see rank | 21.10% | 5.79% |
| 2 Units | 205, 3.27%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 147, 2.34%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 453, 7.22%, see rank | 5.02% | 4.78% |
| 10 or More Units | 382, 6.08%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 235, 3.74%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21620 Zip Code | Maryland | U.S. |
| Total Housing Units | 5,455, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 3,907, 71.62%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 172, 3.15%, see rank | 21.04% | 5.56% |
| 2 Units | 114, 2.09%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 247, 4.53%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 213, 3.90%, see rank | 5.60% | 4.67% |
| 10 or More Units | 530, 9.72%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 272, 4.99%, 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.
