21227 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21227 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,656, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 6,349, 46.49%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 4,897, 35.86%, see rank | 21.19% | 5.82% |
| 2 Units | 323, 2.37%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 393, 2.88%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 228, 1.67%, see rank | 4.94% | 4.78% |
| 10 or More Units | 1,374, 10.06%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 92, 0.67%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21227 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,686, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 6,124, 44.75%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 4,799, 35.07%, see rank | 21.10% | 5.79% |
| 2 Units | 418, 3.05%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 307, 2.24%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 377, 2.75%, see rank | 5.02% | 4.78% |
| 10 or More Units | 1,569, 11.46%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 92, 0.67%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21227 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,523, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 5,804, 42.92%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 4,927, 36.43%, see rank | 21.04% | 5.56% |
| 2 Units | 440, 3.25%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 461, 3.41%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 455, 3.36%, see rank | 5.60% | 4.67% |
| 10 or More Units | 1,339, 9.90%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 97, 0.72%, 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.
