91401 Zip Code Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | 91401 Zip Code | California | U.S. |
| Total Housing Units | 15,570, 100% | 13,781,929 | 132,741,033 |
| 1 Room | 928, 5.96%, see rank | 3.13% | 1.95% |
| 2 Rooms | 739, 4.75%, see rank | 3.93% | 2.48% |
| 3 Rooms | 3,376, 21.68%, see rank | 12.05% | 9.13% |
| 4 Rooms | 4,040, 25.95%, see rank | 19.24% | 16.60% |
| 5 Rooms | 2,599, 16.69%, see rank | 20.56% | 20.41% |
| 6 Rooms | 1,875, 12.04%, see rank | 16.99% | 18.06% |
| 7 Rooms | 1,037, 6.66%, see rank | 11.06% | 12.27% |
| 8 Rooms | 585, 3.76%, see rank | 6.58% | 8.48% |
| 9 Rooms or More | 391, 2.51%, see rank | 6.46% | 10.60% |
| Median Rooms | 4.20, see rank | 5.10 | 5.50 |
ACS 2008-2012 data
| | 91401 Zip Code | California | U.S. |
| Total Housing Units | 15,496, 100% | 13,667,226 | 131,642,457 |
| 1 Room | 959, 6.19%, see rank | 3.17% | 1.95% |
| 2 Rooms | 709, 4.58%, see rank | 3.78% | 2.36% |
| 3 Rooms | 3,408, 21.99%, see rank | 11.88% | 8.97% |
| 4 Rooms | 3,855, 24.88%, see rank | 19.04% | 16.57% |
| 5 Rooms | 2,489, 16.06%, see rank | 20.50% | 20.41% |
| 6 Rooms | 1,607, 10.37%, see rank | 17.21% | 18.25% |
| 7 Rooms | 1,429, 9.22%, see rank | 11.27% | 12.38% |
| 8 Rooms | 565, 3.65%, see rank | 6.78% | 8.59% |
| 9 Rooms or More | 475, 3.07%, see rank | 6.38% | 10.52% |
| Median Rooms | 4.20, see rank | 5.10 | 5.50 |
US Census 2000 data
| | 91401 Zip Code | California | U.S. |
| Total Housing Units | 15,055, 100% | 12,214,549 | 115,904,641 |
| 1 Room | 1,914, 12.71%, see rank | 5.01% | 2.20% |
| 2 Rooms | 2,701, 17.94%, see rank | 9.38% | 4.81% |
| 3 Rooms | 2,702, 17.95%, see rank | 13.85% | 9.84% |
| 4 Rooms | 1,934, 12.85%, see rank | 15.75% | 15.97% |
| 5 Rooms | 2,081, 13.82%, see rank | 18.95% | 20.89% |
| 6 Rooms | 1,926, 12.79%, see rank | 16.50% | 18.45% |
| 7 Rooms | 932, 6.19%, see rank | 10.33% | 12.06% |
| 8 Rooms | 567, 3.77%, see rank | 5.93% | 8.06% |
| 9 Rooms or More | 298, 1.98%, see rank | 4.31% | 7.70% |
| Median Rooms | 3.60, 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.
