20171 Zip Code Historical House Amount of Units in Structure Data
ACS 2010-2014 data
| | 20171 Zip Code | Virginia | U.S. |
| Total Housing Units | 16,986, 100% | 3,403,241 | 132,741,033 |
| 1-unit, Detached | 8,585, 50.54%, see rank | 61.97% | 61.65% |
| 1-unit, Attached | 2,859, 16.83%, see rank | 10.88% | 5.82% |
| 2 Units | 97, 0.57%, see rank | 1.67% | 3.75% |
| 3 or 4 Units | 189, 1.11%, see rank | 2.74% | 4.43% |
| 5 to 9 Units | 426, 2.51%, see rank | 4.64% | 4.78% |
| 10 or More Units | 4,806, 28.29%, see rank | 12.76% | 13.08% |
| Mobile Home, Boat, RV, Van, etc. | 24, 0.14%, see rank | 5.34% | 6.49% |
ACS 2008-2012 data
| | 20171 Zip Code | Virginia | U.S. |
| Total Housing Units | 16,868, 100% | 3,365,855 | 131,642,457 |
| 1-unit, Detached | 8,848, 52.45%, see rank | 62.33% | 61.70% |
| 1-unit, Attached | 2,943, 17.45%, see rank | 10.55% | 5.79% |
| 2 Units | 90, 0.53%, see rank | 1.66% | 3.80% |
| 3 or 4 Units | 223, 1.32%, see rank | 2.71% | 4.44% |
| 5 to 9 Units | 261, 1.55%, see rank | 4.73% | 4.78% |
| 10 or More Units | 4,490, 26.62%, see rank | 12.44% | 12.89% |
| Mobile Home, Boat, RV, Van, etc. | 13, 0.08%, see rank | 5.57% | 6.60% |
US Census 2000 data
| | 20171 Zip Code | Virginia | U.S. |
| Total Housing Units | 11,272, 100% | 2,904,192 | 115,904,641 |
| 1-unit, Detached | 7,273, 64.52%, see rank | 62.34% | 60.28% |
| 1-unit, Attached | 2,288, 20.30%, see rank | 9.63% | 5.56% |
| 2 Units | 20, 0.18%, see rank | 2.06% | 4.31% |
| 3 or 4 Units | 90, 0.80%, see rank | 3.25% | 4.74% |
| 5 to 9 Units | 160, 1.42%, see rank | 5.04% | 4.67% |
| 10 or More Units | 1,425, 12.64%, see rank | 11.18% | 12.64% |
| Mobile Home, Boat, RV, Van, etc. | 16, 0.14%, see rank | 6.50% | 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.
