Contra Costa County Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | Contra Costa County | California | U.S. |
| Total Housing Units | 403,449, 100% | 13,781,929 | 132,741,033 |
| 1-unit, Detached | 269,983, 66.92%, see rank | 58.17% | 61.65% |
| 1-unit, Attached | 30,317, 7.51%, see rank | 6.97% | 5.82% |
| 2 Units | 7,855, 1.95%, see rank | 2.54% | 3.75% |
| 3 or 4 Units | 20,538, 5.09%, see rank | 5.54% | 4.43% |
| 5 to 9 Units | 19,170, 4.75%, see rank | 6.12% | 4.78% |
| 10 or More Units | 48,802, 12.10%, see rank | 16.79% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 6,784, 1.68%, see rank | 3.88% | 6.49% |
ACS 2008-2012 data
| | Contra Costa County | California | U.S. |
| Total Housing Units | 400,098, 100% | 13,667,226 | 131,642,457 |
| 1-unit, Detached | 267,037, 66.74%, see rank | 58.16% | 61.70% |
| 1-unit, Attached | 31,270, 7.82%, see rank | 7.02% | 5.79% |
| 2 Units | 7,984, 2.00%, see rank | 2.56% | 3.80% |
| 3 or 4 Units | 20,907, 5.23%, see rank | 5.54% | 4.44% |
| 5 to 9 Units | 18,892, 4.72%, see rank | 6.07% | 4.78% |
| 10 or More Units | 46,785, 11.69%, see rank | 16.70% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 7,223, 1.81%, see rank | 3.94% | 6.60% |
ACS 2006-2010 data
| | Contra Costa County | California | U.S. |
| Total Housing Units | 396,782, 100% | 13,552,624 | 130,038,080 |
| 1-unit, Detached | 263,717, 66.46%, see rank | 58.12% | 61.62% |
| 1-unit, Attached | 31,298, 7.89%, see rank | 7.06% | 5.74% |
| 2 Units | 7,557, 1.90%, see rank | 2.56% | 3.88% |
| 3 or 4 Units | 20,947, 5.28%, see rank | 5.59% | 4.47% |
| 5 to 9 Units | 19,213, 4.84%, see rank | 6.14% | 4.84% |
| 10 or More Units | 46,688, 11.77%, see rank | 16.45% | 12.68% |
| Mobile Home, Boat, RV, Van, etc. | 7,362, 1.86%, see rank | 4.07% | 6.76% |
ACS 2005-2009 data
| | Contra Costa County | California | U.S. |
| Total Housing Units | 391,260, 100% | 13,268,682 | 127,699,712 |
| 1-unit, Detached | 261,908, 66.94%, see rank | 58.14% | 61.57% |
| 1-unit, Attached | 30,160, 7.71%, see rank | 7.05% | 5.70% |
| 2 Units | 7,649, 1.95%, see rank | 2.55% | 3.94% |
| 3 or 4 Units | 20,371, 5.21%, see rank | 5.66% | 4.51% |
| 5 to 9 Units | 18,565, 4.74%, see rank | 6.17% | 4.87% |
| 10 or More Units | 44,959, 11.49%, see rank | 16.31% | 12.58% |
| Mobile Home, Boat, RV, Van, etc. | 7,648, 1.95%, see rank | 4.12% | 6.85% |
US Census 2000 data
| | Contra Costa County | California | U.S. |
| Total Housing Units | 354,577, 100% | 12,214,549 | 115,904,641 |
| 1-unit, Detached | 232,050, 65.44%, see rank | 56.35% | 60.28% |
| 1-unit, Attached | 29,976, 8.45%, see rank | 7.63% | 5.56% |
| 2 Units | 6,506, 1.83%, see rank | 2.68% | 4.31% |
| 3 or 4 Units | 18,424, 5.20%, see rank | 5.71% | 4.74% |
| 5 to 9 Units | 16,606, 4.68%, see rank | 5.92% | 4.67% |
| 10 or More Units | 43,458, 12.26%, see rank | 17.04% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 7,557, 2.13%, 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.
