21601 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21601 Zip Code | Maryland | U.S. |
| Total Housing Units | 11,796, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 8,119, 68.83%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 890, 7.54%, see rank | 21.19% | 5.82% |
| 2 Units | 336, 2.85%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 411, 3.48%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 802, 6.80%, see rank | 4.94% | 4.78% |
| 10 or More Units | 779, 6.60%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 459, 3.89%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21601 Zip Code | Maryland | U.S. |
| Total Housing Units | 11,460, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 8,030, 70.07%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 870, 7.59%, see rank | 21.10% | 5.79% |
| 2 Units | 362, 3.16%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 354, 3.09%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 602, 5.25%, see rank | 5.02% | 4.78% |
| 10 or More Units | 745, 6.50%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 497, 4.34%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21601 Zip Code | Maryland | U.S. |
| Total Housing Units | 8,995, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 6,180, 68.70%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 539, 5.99%, see rank | 21.04% | 5.56% |
| 2 Units | 532, 5.91%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 473, 5.26%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 454, 5.05%, see rank | 5.60% | 4.67% |
| 10 or More Units | 448, 4.98%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 369, 4.10%, 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.
