21903 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21903 Zip Code | Maryland | U.S. |
| Total Housing Units | 2,564, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 1,589, 61.97%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 219, 8.54%, see rank | 21.19% | 5.82% |
| 2 Units | 98, 3.82%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 90, 3.51%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 294, 11.47%, see rank | 4.94% | 4.78% |
| 10 or More Units | 171, 6.67%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 103, 4.02%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21903 Zip Code | Maryland | U.S. |
| Total Housing Units | 2,549, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 1,586, 62.22%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 209, 8.20%, see rank | 21.10% | 5.79% |
| 2 Units | 54, 2.12%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 65, 2.55%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 341, 13.38%, see rank | 5.02% | 4.78% |
| 10 or More Units | 181, 7.10%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 113, 4.43%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21903 Zip Code | Maryland | U.S. |
| Total Housing Units | 2,195, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 1,321, 60.18%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 274, 12.48%, see rank | 21.04% | 5.56% |
| 2 Units | 48, 2.19%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 134, 6.10%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 145, 6.61%, see rank | 5.60% | 4.67% |
| 10 or More Units | 147, 6.70%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 126, 5.74%, 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.
