91331 Zip Code Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | 91331 Zip Code | California | U.S. |
| Total Housing Units | 23,345, 100% | 13,781,929 | 132,741,033 |
| 1 Room | 479, 2.05%, see rank | 3.13% | 1.95% |
| 2 Rooms | 457, 1.96%, see rank | 3.93% | 2.48% |
| 3 Rooms | 1,641, 7.03%, see rank | 12.05% | 9.13% |
| 4 Rooms | 4,616, 19.77%, see rank | 19.24% | 16.60% |
| 5 Rooms | 7,196, 30.82%, see rank | 20.56% | 20.41% |
| 6 Rooms | 5,217, 22.35%, see rank | 16.99% | 18.06% |
| 7 Rooms | 2,274, 9.74%, see rank | 11.06% | 12.27% |
| 8 Rooms | 935, 4.01%, see rank | 6.58% | 8.48% |
| 9 Rooms or More | 530, 2.27%, see rank | 6.46% | 10.60% |
| Median Rooms | 5.10, see rank | 5.10 | 5.50 |
ACS 2008-2012 data
| | 91331 Zip Code | California | U.S. |
| Total Housing Units | 22,684, 100% | 13,667,226 | 131,642,457 |
| 1 Room | 423, 1.86%, see rank | 3.17% | 1.95% |
| 2 Rooms | 394, 1.74%, see rank | 3.78% | 2.36% |
| 3 Rooms | 1,479, 6.52%, see rank | 11.88% | 8.97% |
| 4 Rooms | 3,947, 17.40%, see rank | 19.04% | 16.57% |
| 5 Rooms | 6,575, 28.99%, see rank | 20.50% | 20.41% |
| 6 Rooms | 5,501, 24.25%, see rank | 17.21% | 18.25% |
| 7 Rooms | 2,645, 11.66%, see rank | 11.27% | 12.38% |
| 8 Rooms | 1,243, 5.48%, see rank | 6.78% | 8.59% |
| 9 Rooms or More | 477, 2.10%, see rank | 6.38% | 10.52% |
| Median Rooms | 5.30, see rank | 5.10 | 5.50 |
US Census 2000 data
| | 91331 Zip Code | California | U.S. |
| Total Housing Units | 22,096, 100% | 12,214,549 | 115,904,641 |
| 1 Room | 1,059, 4.79%, see rank | 5.01% | 2.20% |
| 2 Rooms | 3,035, 13.74%, see rank | 9.38% | 4.81% |
| 3 Rooms | 5,552, 25.13%, see rank | 13.85% | 9.84% |
| 4 Rooms | 2,982, 13.50%, see rank | 15.75% | 15.97% |
| 5 Rooms | 4,369, 19.77%, see rank | 18.95% | 20.89% |
| 6 Rooms | 3,096, 14.01%, see rank | 16.50% | 18.45% |
| 7 Rooms | 1,279, 5.79%, see rank | 10.33% | 12.06% |
| 8 Rooms | 477, 2.16%, see rank | 5.93% | 8.06% |
| 9 Rooms or More | 247, 1.12%, see rank | 4.31% | 7.70% |
| Median Rooms | 4.00, 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.
