Altadena, CA Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Altadena, CA | California | U.S. |
| Total Housing Units | 16,394, 100% | 13,781,929 | 132,741,033 |
| 1 Room | 185, 1.13%, see rank | 3.13% | 1.95% |
| 2 Rooms | 411, 2.51%, see rank | 3.93% | 2.48% |
| 3 Rooms | 821, 5.01%, see rank | 12.05% | 9.13% |
| 4 Rooms | 2,450, 14.94%, see rank | 19.24% | 16.60% |
| 5 Rooms | 3,411, 20.81%, see rank | 20.56% | 20.41% |
| 6 Rooms | 3,496, 21.32%, see rank | 16.99% | 18.06% |
| 7 Rooms | 2,644, 16.13%, see rank | 11.06% | 12.27% |
| 8 Rooms | 1,558, 9.50%, see rank | 6.58% | 8.48% |
| 9 Rooms or More | 1,418, 8.65%, see rank | 6.46% | 10.60% |
| Median Rooms | 5.80, see rank | 5.10 | 5.50 |
ACS 2008-2012 data
| | Altadena, CA | California | U.S. |
| Total Housing Units | 16,076, 100% | 13,667,226 | 131,642,457 |
| 1 Room | 216, 1.34%, see rank | 3.17% | 1.95% |
| 2 Rooms | 280, 1.74%, see rank | 3.78% | 2.36% |
| 3 Rooms | 890, 5.54%, see rank | 11.88% | 8.97% |
| 4 Rooms | 2,196, 13.66%, see rank | 19.04% | 16.57% |
| 5 Rooms | 3,565, 22.18%, see rank | 20.50% | 20.41% |
| 6 Rooms | 3,366, 20.94%, see rank | 17.21% | 18.25% |
| 7 Rooms | 2,543, 15.82%, see rank | 11.27% | 12.38% |
| 8 Rooms | 1,526, 9.49%, see rank | 6.78% | 8.59% |
| 9 Rooms or More | 1,494, 9.29%, see rank | 6.38% | 10.52% |
| Median Rooms | 5.80, see rank | 5.10 | 5.50 |
ACS 2006-2010 data
| | Altadena, CA | California | U.S. |
| Total Housing Units | 16,077, 100% | 13,552,624 | 130,038,080 |
| 1 Room | 142, 0.88%, see rank | 2.72% | 1.59% |
| 2 Rooms | 401, 2.49%, see rank | 4.35% | 2.62% |
| 3 Rooms | 876, 5.45%, see rank | 11.89% | 9.02% |
| 4 Rooms | 2,151, 13.38%, see rank | 19.02% | 16.85% |
| 5 Rooms | 3,489, 21.70%, see rank | 20.76% | 20.93% |
| 6 Rooms | 3,637, 22.62%, see rank | 17.56% | 18.56% |
| 7 Rooms | 2,662, 16.56%, see rank | 11.35% | 12.38% |
| 8 Rooms | 1,409, 8.76%, see rank | 6.63% | 8.39% |
| 9 Rooms or More | 1,310, 8.15%, see rank | 5.73% | 9.65% |
| Median Rooms | 5.80, see rank | 5.10 | 5.50 |
ACS 2005-2009 data
| | Altadena, CA | California | U.S. |
| Total Housing Units | 15,566, 100% | 13,268,682 | 127,699,712 |
| 1 Room | 104, 0.67%, see rank | 2.41% | 1.39% |
| 2 Rooms | 392, 2.52%, see rank | 4.63% | 2.78% |
| 3 Rooms | 982, 6.31%, see rank | 11.98% | 9.07% |
| 4 Rooms | 2,366, 15.20%, see rank | 19.05% | 17.03% |
| 5 Rooms | 3,277, 21.05%, see rank | 20.98% | 21.24% |
| 6 Rooms | 3,503, 22.50%, see rank | 17.73% | 18.70% |
| 7 Rooms | 2,433, 15.63%, see rank | 11.32% | 12.36% |
| 8 Rooms | 1,198, 7.70%, see rank | 6.53% | 8.26% |
| 9 Rooms or More | 1,311, 8.42%, see rank | 5.37% | 9.16% |
| Median Rooms | 5.70, see rank | 5.10 | 5.40 |
US Census 2000 data
| | Altadena, CA | California | U.S. |
| Total Housing Units | 15,245, 100% | 12,214,549 | 115,904,641 |
| 1 Room | 275, 1.80%, see rank | 5.01% | 2.20% |
| 2 Rooms | 697, 4.57%, see rank | 9.38% | 4.81% |
| 3 Rooms | 1,307, 8.57%, see rank | 13.85% | 9.84% |
| 4 Rooms | 1,640, 10.76%, see rank | 15.75% | 15.97% |
| 5 Rooms | 3,230, 21.19%, see rank | 18.95% | 20.89% |
| 6 Rooms | 3,579, 23.48%, see rank | 16.50% | 18.45% |
| 7 Rooms | 2,330, 15.28%, see rank | 10.33% | 12.06% |
| 8 Rooms | 1,276, 8.37%, see rank | 5.93% | 8.06% |
| 9 Rooms or More | 911, 5.98%, see rank | 4.31% | 7.70% |
| Median Rooms | 5.60, 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.
