91801 Zip Code Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | 91801 Zip Code | California | U.S. |
| Total Housing Units | 20,400, 100% | 13,781,929 | 132,741,033 |
| 1 Room | 349, 1.71%, see rank | 3.13% | 1.95% |
| 2 Rooms | 2,329, 11.42%, see rank | 3.93% | 2.48% |
| 3 Rooms | 5,096, 24.98%, see rank | 12.05% | 9.13% |
| 4 Rooms | 5,258, 25.77%, see rank | 19.24% | 16.60% |
| 5 Rooms | 3,077, 15.08%, see rank | 20.56% | 20.41% |
| 6 Rooms | 2,184, 10.71%, see rank | 16.99% | 18.06% |
| 7 Rooms | 1,301, 6.38%, see rank | 11.06% | 12.27% |
| 8 Rooms | 394, 1.93%, see rank | 6.58% | 8.48% |
| 9 Rooms or More | 412, 2.02%, see rank | 6.46% | 10.60% |
| Median Rooms | 4.00, see rank | 5.10 | 5.50 |
ACS 2008-2012 data
| | 91801 Zip Code | California | U.S. |
| Total Housing Units | 20,712, 100% | 13,667,226 | 131,642,457 |
| 1 Room | 594, 2.87%, see rank | 3.17% | 1.95% |
| 2 Rooms | 1,489, 7.19%, see rank | 3.78% | 2.36% |
| 3 Rooms | 4,786, 23.11%, see rank | 11.88% | 8.97% |
| 4 Rooms | 5,594, 27.01%, see rank | 19.04% | 16.57% |
| 5 Rooms | 3,390, 16.37%, see rank | 20.50% | 20.41% |
| 6 Rooms | 2,617, 12.64%, see rank | 17.21% | 18.25% |
| 7 Rooms | 1,276, 6.16%, see rank | 11.27% | 12.38% |
| 8 Rooms | 438, 2.11%, see rank | 6.78% | 8.59% |
| 9 Rooms or More | 528, 2.55%, see rank | 6.38% | 10.52% |
| Median Rooms | 4.10, see rank | 5.10 | 5.50 |
US Census 2000 data
| | 91801 Zip Code | California | U.S. |
| Total Housing Units | 20,063, 100% | 12,214,549 | 115,904,641 |
| 1 Room | 1,490, 7.43%, see rank | 5.01% | 2.20% |
| 2 Rooms | 3,540, 17.64%, see rank | 9.38% | 4.81% |
| 3 Rooms | 4,556, 22.71%, see rank | 13.85% | 9.84% |
| 4 Rooms | 3,635, 18.12%, see rank | 15.75% | 15.97% |
| 5 Rooms | 3,192, 15.91%, see rank | 18.95% | 20.89% |
| 6 Rooms | 2,048, 10.21%, see rank | 16.50% | 18.45% |
| 7 Rooms | 1,026, 5.11%, see rank | 10.33% | 12.06% |
| 8 Rooms | 408, 2.03%, see rank | 5.93% | 8.06% |
| 9 Rooms or More | 168, 0.84%, 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.
