21617 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21617 Zip Code | Maryland | U.S. |
| Total Housing Units | 3,989, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 3,697, 92.68%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 41, 1.03%, see rank | 21.19% | 5.82% |
| 2 Units | 11, 0.28%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 113, 2.83%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 55, 1.38%, see rank | 4.94% | 4.78% |
| 10 or More Units | 45, 1.13%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 27, 0.68%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21617 Zip Code | Maryland | U.S. |
| Total Housing Units | 3,932, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 3,564, 90.64%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 110, 2.80%, see rank | 21.10% | 5.79% |
| 2 Units | 23, 0.58%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 57, 1.45%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 80, 2.03%, see rank | 5.02% | 4.78% |
| 10 or More Units | 51, 1.30%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 47, 1.20%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21617 Zip Code | Maryland | U.S. |
| Total Housing Units | 2,581, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 2,099, 81.33%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 71, 2.75%, see rank | 21.04% | 5.56% |
| 2 Units | 100, 3.87%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 64, 2.48%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 63, 2.44%, see rank | 5.60% | 4.67% |
| 10 or More Units | 80, 3.10%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 104, 4.03%, 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.
