21157 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21157 Zip Code | Maryland | U.S. |
| Total Housing Units | 14,418, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 10,200, 70.74%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 1,536, 10.65%, see rank | 21.19% | 5.82% |
| 2 Units | 402, 2.79%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 513, 3.56%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 391, 2.71%, see rank | 4.94% | 4.78% |
| 10 or More Units | 1,356, 9.40%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 20, 0.14%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21157 Zip Code | Maryland | U.S. |
| Total Housing Units | 14,534, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 10,332, 71.09%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 1,376, 9.47%, see rank | 21.10% | 5.79% |
| 2 Units | 468, 3.22%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 607, 4.18%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 292, 2.01%, see rank | 5.02% | 4.78% |
| 10 or More Units | 1,449, 9.97%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 10, 0.07%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21157 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,078, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 9,121, 69.74%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 1,175, 8.98%, see rank | 21.04% | 5.56% |
| 2 Units | 712, 5.44%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 572, 4.37%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 324, 2.48%, see rank | 5.60% | 4.67% |
| 10 or More Units | 1,130, 8.64%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 44, 0.34%, 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.
