21221 Zip Code Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | 21221 Zip Code | Maryland | U.S. |
| Total Housing Units | 17,528, 100% | 2,399,375 | 132,741,033 |
| 1 Room | 431, 2.46%, see rank | 1.15% | 1.95% |
| 2 Rooms | 201, 1.15%, see rank | 1.62% | 2.48% |
| 3 Rooms | 1,721, 9.82%, see rank | 7.62% | 9.13% |
| 4 Rooms | 3,078, 17.56%, see rank | 12.84% | 16.60% |
| 5 Rooms | 3,163, 18.05%, see rank | 14.80% | 20.41% |
| 6 Rooms | 3,193, 18.22%, see rank | 17.19% | 18.06% |
| 7 Rooms | 2,696, 15.38%, see rank | 14.01% | 12.27% |
| 8 Rooms | 1,404, 8.01%, see rank | 11.30% | 8.48% |
| 9 Rooms or More | 1,641, 9.36%, see rank | 19.47% | 10.60% |
| Median Rooms | 5.60, see rank | 6.20 | 5.50 |
ACS 2008-2012 data
| | 21221 Zip Code | Maryland | U.S. |
| Total Housing Units | 17,662, 100% | 2,378,932 | 131,642,457 |
| 1 Room | 445, 2.52%, see rank | 1.19% | 1.95% |
| 2 Rooms | 187, 1.06%, see rank | 1.55% | 2.36% |
| 3 Rooms | 1,823, 10.32%, see rank | 7.57% | 8.97% |
| 4 Rooms | 3,106, 17.59%, see rank | 12.93% | 16.57% |
| 5 Rooms | 3,180, 18.00%, see rank | 14.68% | 20.41% |
| 6 Rooms | 3,489, 19.75%, see rank | 17.04% | 18.25% |
| 7 Rooms | 2,352, 13.32%, see rank | 14.15% | 12.38% |
| 8 Rooms | 1,505, 8.52%, see rank | 11.43% | 8.59% |
| 9 Rooms or More | 1,575, 8.92%, see rank | 19.46% | 10.52% |
| Median Rooms | 5.50, see rank | 6.20 | 5.50 |
US Census 2000 data
| | 21221 Zip Code | Maryland | U.S. |
| Total Housing Units | 18,579, 100% | 2,145,283 | 115,904,641 |
| 1 Room | 453, 2.44%, see rank | 1.50% | 2.20% |
| 2 Rooms | 715, 3.85%, see rank | 3.52% | 4.81% |
| 3 Rooms | 2,014, 10.84%, see rank | 8.03% | 9.84% |
| 4 Rooms | 3,505, 18.87%, see rank | 11.67% | 15.97% |
| 5 Rooms | 3,580, 19.27%, see rank | 15.60% | 20.89% |
| 6 Rooms | 3,944, 21.23%, see rank | 18.50% | 18.45% |
| 7 Rooms | 2,205, 11.87%, see rank | 14.10% | 12.06% |
| 8 Rooms | 1,409, 7.58%, see rank | 12.17% | 8.06% |
| 9 Rooms or More | 754, 4.06%, see rank | 14.91% | 7.70% |
| Median Rooms | 5.20, 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.
