21040 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 21040 Zip Code | Maryland | U.S. |
| Total Housing Units | 9,623, 100% | 2,399,375 | 132,741,033 |
| 1-unit, Detached | 3,941, 40.95%, see rank | 51.72% | 61.65% |
| 1-unit, Attached | 3,560, 36.99%, see rank | 21.19% | 5.82% |
| 2 Units | 57, 0.59%, see rank | 1.60% | 3.75% |
| 3 or 4 Units | 355, 3.69%, see rank | 2.20% | 4.43% |
| 5 to 9 Units | 205, 2.13%, see rank | 4.94% | 4.78% |
| 10 or More Units | 774, 8.04%, see rank | 16.70% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 731, 7.60%, see rank | 1.63% | 6.49% |
ACS 2008-2012 data
| | 21040 Zip Code | Maryland | U.S. |
| Total Housing Units | 9,666, 100% | 2,378,932 | 131,642,457 |
| 1-unit, Detached | 3,886, 40.20%, see rank | 51.71% | 61.70% |
| 1-unit, Attached | 3,333, 34.48%, see rank | 21.10% | 5.79% |
| 2 Units | 88, 0.91%, see rank | 1.68% | 3.80% |
| 3 or 4 Units | 276, 2.86%, see rank | 2.22% | 4.44% |
| 5 to 9 Units | 379, 3.92%, see rank | 5.02% | 4.78% |
| 10 or More Units | 955, 9.88%, see rank | 16.53% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 749, 7.75%, see rank | 1.74% | 6.60% |
US Census 2000 data
| | 21040 Zip Code | Maryland | U.S. |
| Total Housing Units | 8,436, 100% | 2,145,283 | 115,904,641 |
| 1-unit, Detached | 3,077, 36.47%, see rank | 51.17% | 60.28% |
| 1-unit, Attached | 2,743, 32.52%, see rank | 21.04% | 5.56% |
| 2 Units | 65, 0.77%, see rank | 2.13% | 4.31% |
| 3 or 4 Units | 249, 2.95%, see rank | 2.94% | 4.74% |
| 5 to 9 Units | 716, 8.49%, see rank | 5.60% | 4.67% |
| 10 or More Units | 883, 10.47%, see rank | 15.15% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 703, 8.33%, 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.
