91401 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 91401 Zip Code | California | U.S. |
| Total Housing Units | 15,570, 100% | 13,781,929 | 132,741,033 |
| 1-unit, Detached | 6,025, 38.70%, see rank | 58.17% | 61.65% |
| 1-unit, Attached | 868, 5.57%, see rank | 6.97% | 5.82% |
| 2 Units | 114, 0.73%, see rank | 2.54% | 3.75% |
| 3 or 4 Units | 806, 5.18%, see rank | 5.54% | 4.43% |
| 5 to 9 Units | 1,626, 10.44%, see rank | 6.12% | 4.78% |
| 10 or More Units | 6,087, 39.09%, see rank | 16.79% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 44, 0.28%, see rank | 3.88% | 6.49% |
ACS 2008-2012 data
| | 91401 Zip Code | California | U.S. |
| Total Housing Units | 15,496, 100% | 13,667,226 | 131,642,457 |
| 1-unit, Detached | 5,792, 37.38%, see rank | 58.16% | 61.70% |
| 1-unit, Attached | 543, 3.50%, see rank | 7.02% | 5.79% |
| 2 Units | 127, 0.82%, see rank | 2.56% | 3.80% |
| 3 or 4 Units | 864, 5.58%, see rank | 5.54% | 4.44% |
| 5 to 9 Units | 1,786, 11.53%, see rank | 6.07% | 4.78% |
| 10 or More Units | 6,356, 41.02%, see rank | 16.70% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 28, 0.18%, see rank | 3.94% | 6.60% |
US Census 2000 data
| | 91401 Zip Code | California | U.S. |
| Total Housing Units | 15,055, 100% | 12,214,549 | 115,904,641 |
| 1-unit, Detached | 5,841, 38.80%, see rank | 56.35% | 60.28% |
| 1-unit, Attached | 515, 3.42%, see rank | 7.63% | 5.56% |
| 2 Units | 185, 1.23%, see rank | 2.68% | 4.31% |
| 3 or 4 Units | 890, 5.91%, see rank | 5.71% | 4.74% |
| 5 to 9 Units | 2,027, 13.46%, see rank | 5.92% | 4.67% |
| 10 or More Units | 5,556, 36.90%, see rank | 17.04% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 41, 0.27%, see rank | 4.66% | 7.80% |
* 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.
