21144 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21144 Zip Code | Maryland | U.S. |
| Total Housing Units | 11,747, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 7,885, 67.12%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 3,209, 27.32%, see rank | 21.19% | 5.82% |
| 2 Units | 34, 0.29%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 88, 0.75%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 136, 1.16%, see rank | 4.94% | 4.78% |
| 10 or More Units | 35, 0.30%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 360, 3.06%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21144 Zip Code | Maryland | U.S. |
| Total Housing Units | 11,630, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 7,572, 65.11%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 3,339, 28.71%, see rank | 21.10% | 5.79% |
| 2 Units | 46, 0.40%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 57, 0.49%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 146, 1.26%, see rank | 5.02% | 4.78% |
| 10 or More Units | 73, 0.63%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 397, 3.41%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21144 Zip Code | Maryland | U.S. |
| Total Housing Units | 9,909, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 6,486, 65.46%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 2,332, 23.53%, see rank | 21.04% | 5.56% |
| 2 Units | 35, 0.35%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 92, 0.93%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 365, 3.68%, see rank | 5.60% | 4.67% |
| 10 or More Units | 130, 1.31%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 469, 4.73%, 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.
