21742 Zip Code Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | 21742 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,731, 100% | 2,399,375 | 132,741,033 |
| 1 Room | 23, 0.17%, see rank | 1.15% | 1.95% |
| 2 Rooms | 90, 0.66%, see rank | 1.62% | 2.48% |
| 3 Rooms | 688, 5.01%, see rank | 7.62% | 9.13% |
| 4 Rooms | 1,921, 13.99%, see rank | 12.84% | 16.60% |
| 5 Rooms | 2,223, 16.19%, see rank | 14.80% | 20.41% |
| 6 Rooms | 2,817, 20.52%, see rank | 17.19% | 18.06% |
| 7 Rooms | 1,865, 13.58%, see rank | 14.01% | 12.27% |
| 8 Rooms | 1,378, 10.04%, see rank | 11.30% | 8.48% |
| 9 Rooms or More | 2,726, 19.85%, see rank | 19.47% | 10.60% |
| Median Rooms | 6.20, see rank | 6.20 | 5.50 |
ACS 2008-2012 data
| | 21742 Zip Code | Maryland | U.S. |
| Total Housing Units | 13,383, 100% | 2,378,932 | 131,642,457 |
| 1 Room | 12, 0.09%, see rank | 1.19% | 1.95% |
| 2 Rooms | 162, 1.21%, see rank | 1.55% | 2.36% |
| 3 Rooms | 593, 4.43%, see rank | 7.57% | 8.97% |
| 4 Rooms | 1,648, 12.31%, see rank | 12.93% | 16.57% |
| 5 Rooms | 2,294, 17.14%, see rank | 14.68% | 20.41% |
| 6 Rooms | 2,543, 19.00%, see rank | 17.04% | 18.25% |
| 7 Rooms | 1,599, 11.95%, see rank | 14.15% | 12.38% |
| 8 Rooms | 1,703, 12.73%, see rank | 11.43% | 8.59% |
| 9 Rooms or More | 2,829, 21.14%, see rank | 19.46% | 10.52% |
| Median Rooms | 6.30, see rank | 6.20 | 5.50 |
US Census 2000 data
| | 21742 Zip Code | Maryland | U.S. |
| Total Housing Units | 10,560, 100% | 2,145,283 | 115,904,641 |
| 1 Room | 23, 0.22%, see rank | 1.50% | 2.20% |
| 2 Rooms | 91, 0.86%, see rank | 3.52% | 4.81% |
| 3 Rooms | 491, 4.65%, see rank | 8.03% | 9.84% |
| 4 Rooms | 1,179, 11.16%, see rank | 11.67% | 15.97% |
| 5 Rooms | 1,732, 16.40%, see rank | 15.60% | 20.89% |
| 6 Rooms | 2,504, 23.71%, see rank | 18.50% | 18.45% |
| 7 Rooms | 1,829, 17.32%, see rank | 14.10% | 12.06% |
| 8 Rooms | 1,215, 11.51%, see rank | 12.17% | 8.06% |
| 9 Rooms or More | 1,496, 14.17%, see rank | 14.91% | 7.70% |
| Median Rooms | 6.20, see rank | 6.00 | 5.30 |
* 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.
