94121 Zip Code Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | 94121 Zip Code | California | U.S. |
| Total Housing Units | 18,776, 100% | 13,781,929 | 132,741,033 |
| 1 Room | 829, 4.42%, see rank | 3.13% | 1.95% |
| 2 Rooms | 1,297, 6.91%, see rank | 3.93% | 2.48% |
| 3 Rooms | 2,956, 15.74%, see rank | 12.05% | 9.13% |
| 4 Rooms | 3,472, 18.49%, see rank | 19.24% | 16.60% |
| 5 Rooms | 3,378, 17.99%, see rank | 20.56% | 20.41% |
| 6 Rooms | 3,242, 17.27%, see rank | 16.99% | 18.06% |
| 7 Rooms | 1,428, 7.61%, see rank | 11.06% | 12.27% |
| 8 Rooms | 1,007, 5.36%, see rank | 6.58% | 8.48% |
| 9 Rooms or More | 1,167, 6.22%, see rank | 6.46% | 10.60% |
| Median Rooms | 4.70, see rank | 5.10 | 5.50 |
ACS 2008-2012 data
| | 94121 Zip Code | California | U.S. |
| Total Housing Units | 18,824, 100% | 13,667,226 | 131,642,457 |
| 1 Room | 741, 3.94%, see rank | 3.17% | 1.95% |
| 2 Rooms | 1,174, 6.24%, see rank | 3.78% | 2.36% |
| 3 Rooms | 2,836, 15.07%, see rank | 11.88% | 8.97% |
| 4 Rooms | 3,876, 20.59%, see rank | 19.04% | 16.57% |
| 5 Rooms | 3,355, 17.82%, see rank | 20.50% | 20.41% |
| 6 Rooms | 3,265, 17.34%, see rank | 17.21% | 18.25% |
| 7 Rooms | 1,461, 7.76%, see rank | 11.27% | 12.38% |
| 8 Rooms | 1,032, 5.48%, see rank | 6.78% | 8.59% |
| 9 Rooms or More | 1,084, 5.76%, see rank | 6.38% | 10.52% |
| Median Rooms | 4.70, see rank | 5.10 | 5.50 |
US Census 2000 data
| | 94121 Zip Code | California | U.S. |
| Total Housing Units | 18,052, 100% | 12,214,549 | 115,904,641 |
| 1 Room | 1,049, 5.81%, see rank | 5.01% | 2.20% |
| 2 Rooms | 2,007, 11.12%, see rank | 9.38% | 4.81% |
| 3 Rooms | 3,133, 17.36%, see rank | 13.85% | 9.84% |
| 4 Rooms | 3,022, 16.74%, see rank | 15.75% | 15.97% |
| 5 Rooms | 3,277, 18.15%, see rank | 18.95% | 20.89% |
| 6 Rooms | 2,656, 14.71%, see rank | 16.50% | 18.45% |
| 7 Rooms | 1,150, 6.37%, see rank | 10.33% | 12.06% |
| 8 Rooms | 1,007, 5.58%, see rank | 5.93% | 8.06% |
| 9 Rooms or More | 751, 4.16%, see rank | 4.31% | 7.70% |
| Median Rooms | 4.40, see rank | 4.80 | 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.
