Ontario, CA Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | Ontario, CA | California | U.S. |
| Total Housing Units | 49,093, 100% | 13,781,929 | 132,741,033 |
| 1-unit, Detached | 28,575, 58.21%, see rank | 58.17% | 61.65% |
| 1-unit, Attached | 2,973, 6.06%, see rank | 6.97% | 5.82% |
| 2 Units | 1,259, 2.56%, see rank | 2.54% | 3.75% |
| 3 or 4 Units | 4,085, 8.32%, see rank | 5.54% | 4.43% |
| 5 to 9 Units | 3,606, 7.35%, see rank | 6.12% | 4.78% |
| 10 or More Units | 6,444, 13.13%, see rank | 16.79% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 2,151, 4.38%, see rank | 3.88% | 6.49% |
ACS 2008-2012 data
| | Ontario, CA | California | U.S. |
| Total Housing Units | 47,948, 100% | 13,667,226 | 131,642,457 |
| 1-unit, Detached | 28,162, 58.73%, see rank | 58.16% | 61.70% |
| 1-unit, Attached | 2,824, 5.89%, see rank | 7.02% | 5.79% |
| 2 Units | 883, 1.84%, see rank | 2.56% | 3.80% |
| 3 or 4 Units | 4,169, 8.69%, see rank | 5.54% | 4.44% |
| 5 to 9 Units | 3,404, 7.10%, see rank | 6.07% | 4.78% |
| 10 or More Units | 6,158, 12.84%, see rank | 16.70% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 2,348, 4.90%, see rank | 3.94% | 6.60% |
ACS 2006-2010 data
| | Ontario, CA | California | U.S. |
| Total Housing Units | 48,575, 100% | 13,552,624 | 130,038,080 |
| 1-unit, Detached | 28,671, 59.02%, see rank | 58.12% | 61.62% |
| 1-unit, Attached | 3,188, 6.56%, see rank | 7.06% | 5.74% |
| 2 Units | 971, 2.00%, see rank | 2.56% | 3.88% |
| 3 or 4 Units | 4,228, 8.70%, see rank | 5.59% | 4.47% |
| 5 to 9 Units | 3,218, 6.62%, see rank | 6.14% | 4.84% |
| 10 or More Units | 6,085, 12.53%, see rank | 16.45% | 12.68% |
| Mobile Home, Boat, RV, Van, etc. | 2,214, 4.56%, see rank | 4.07% | 6.76% |
ACS 2005-2009 data
| | Ontario, CA | California | U.S. |
| Total Housing Units | 50,084, 100% | 13,268,682 | 127,699,712 |
| 1-unit, Detached | 28,997, 57.90%, see rank | 58.14% | 61.57% |
| 1-unit, Attached | 3,634, 7.26%, see rank | 7.05% | 5.70% |
| 2 Units | 1,029, 2.05%, see rank | 2.55% | 3.94% |
| 3 or 4 Units | 4,716, 9.42%, see rank | 5.66% | 4.51% |
| 5 to 9 Units | 3,657, 7.30%, see rank | 6.17% | 4.87% |
| 10 or More Units | 5,822, 11.62%, see rank | 16.31% | 12.58% |
| Mobile Home, Boat, RV, Van, etc. | 2,229, 4.45%, see rank | 4.12% | 6.85% |
US Census 2000 data
| | Ontario, CA | California | U.S. |
| Total Housing Units | 45,124, 100% | 12,214,549 | 115,904,641 |
| 1-unit, Detached | 26,739, 59.26%, see rank | 56.35% | 60.28% |
| 1-unit, Attached | 3,628, 8.04%, see rank | 7.63% | 5.56% |
| 2 Units | 712, 1.58%, see rank | 2.68% | 4.31% |
| 3 or 4 Units | 3,243, 7.19%, see rank | 5.71% | 4.74% |
| 5 to 9 Units | 2,584, 5.73%, see rank | 5.92% | 4.67% |
| 10 or More Units | 6,154, 13.64%, see rank | 17.04% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 2,064, 4.57%, 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.
