King County Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | King County | Washington | U.S. |
| Total Housing Units | 863,745, 100% | 2,921,364 | 132,741,033 |
| 1-unit, Detached | 475,176, 55.01%, see rank | 63.44% | 61.65% |
| 1-unit, Attached | 36,472, 4.22%, see rank | 3.63% | 5.82% |
| 2 Units | 17,915, 2.07%, see rank | 2.63% | 3.75% |
| 3 or 4 Units | 38,568, 4.47%, see rank | 3.76% | 4.43% |
| 5 to 9 Units | 55,361, 6.41%, see rank | 4.76% | 4.78% |
| 10 or More Units | 221,162, 25.61%, see rank | 14.55% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 19,091, 2.21%, see rank | 7.22% | 6.49% |
ACS 2008-2012 data
| | King County | Washington | U.S. |
| Total Housing Units | 851,180, 100% | 2,884,186 | 131,642,457 |
| 1-unit, Detached | 472,769, 55.54%, see rank | 63.46% | 61.70% |
| 1-unit, Attached | 35,118, 4.13%, see rank | 3.57% | 5.79% |
| 2 Units | 17,772, 2.09%, see rank | 2.66% | 3.80% |
| 3 or 4 Units | 37,733, 4.43%, see rank | 3.75% | 4.44% |
| 5 to 9 Units | 56,555, 6.64%, see rank | 4.84% | 4.78% |
| 10 or More Units | 212,896, 25.01%, see rank | 14.43% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 18,337, 2.15%, see rank | 7.29% | 6.60% |
ACS 2006-2010 data
| | King County | Washington | U.S. |
| Total Housing Units | 835,564, 100% | 2,829,352 | 130,038,080 |
| 1-unit, Detached | 465,293, 55.69%, see rank | 63.19% | 61.62% |
| 1-unit, Attached | 33,634, 4.03%, see rank | 3.49% | 5.74% |
| 2 Units | 17,001, 2.03%, see rank | 2.67% | 3.88% |
| 3 or 4 Units | 36,110, 4.32%, see rank | 3.77% | 4.47% |
| 5 to 9 Units | 56,713, 6.79%, see rank | 4.82% | 4.84% |
| 10 or More Units | 208,813, 24.99%, see rank | 14.59% | 12.68% |
| Mobile Home, Boat, RV, Van, etc. | 18,000, 2.15%, see rank | 7.48% | 6.76% |
ACS 2005-2009 data
| | King County | Washington | U.S. |
| Total Housing Units | 817,572, 100% | 2,745,170 | 127,699,712 |
| 1-unit, Detached | 459,835, 56.24%, see rank | 63.09% | 61.57% |
| 1-unit, Attached | 32,390, 3.96%, see rank | 3.45% | 5.70% |
| 2 Units | 15,927, 1.95%, see rank | 2.70% | 3.94% |
| 3 or 4 Units | 35,035, 4.29%, see rank | 3.80% | 4.51% |
| 5 to 9 Units | 55,118, 6.74%, see rank | 4.76% | 4.87% |
| 10 or More Units | 201,161, 24.60%, see rank | 14.57% | 12.58% |
| Mobile Home, Boat, RV, Van, etc. | 18,106, 2.21%, see rank | 7.62% | 6.85% |
US Census 2000 data
| | King County | Washington | U.S. |
| Total Housing Units | 742,237, 100% | 2,451,075 | 115,904,641 |
| 1-unit, Detached | 423,328, 57.03%, see rank | 62.33% | 60.28% |
| 1-unit, Attached | 23,838, 3.21%, see rank | 3.09% | 5.56% |
| 2 Units | 15,831, 2.13%, see rank | 2.81% | 4.31% |
| 3 or 4 Units | 31,428, 4.23%, see rank | 3.76% | 4.74% |
| 5 to 9 Units | 49,573, 6.68%, see rank | 4.57% | 4.67% |
| 10 or More Units | 178,162, 24.00%, see rank | 14.43% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 20,077, 2.70%, see rank | 9.00% | 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.
