21229 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21229 Zip Code | Maryland | U.S. |
| Total Housing Units | 20,091, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 2,975, 14.81%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 12,193, 60.69%, see rank | 21.19% | 5.82% |
| 2 Units | 684, 3.40%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 956, 4.76%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 1,548, 7.70%, see rank | 4.94% | 4.78% |
| 10 or More Units | 1,725, 8.59%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 10, 0.05%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21229 Zip Code | Maryland | U.S. |
| Total Housing Units | 19,872, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 3,147, 15.84%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 12,156, 61.17%, see rank | 21.10% | 5.79% |
| 2 Units | 600, 3.02%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 748, 3.76%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 1,413, 7.11%, see rank | 5.02% | 4.78% |
| 10 or More Units | 1,776, 8.94%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 32, 0.16%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21229 Zip Code | Maryland | U.S. |
| Total Housing Units | 20,816, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 2,893, 13.90%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 11,792, 56.65%, see rank | 21.04% | 5.56% |
| 2 Units | 1,002, 4.81%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 1,580, 7.59%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 1,817, 8.73%, see rank | 5.60% | 4.67% |
| 10 or More Units | 1,732, 8.32%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 0, 0.00%, 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.
