Fairfax County Historical Amount of Rooms in a House Data
ACS 2010-2014 data
| | Fairfax County | Virginia | U.S. |
| Total Housing Units | 409,108, 100% | 3,403,241 | 132,741,033 |
| 1 Room | 3,226, 0.79%, see rank | 1.33% | 1.95% |
| 2 Rooms | 10,462, 2.56%, see rank | 1.73% | 2.48% |
| 3 Rooms | 36,326, 8.88%, see rank | 6.92% | 9.13% |
| 4 Rooms | 52,244, 12.77%, see rank | 14.48% | 16.60% |
| 5 Rooms | 47,501, 11.61%, see rank | 17.82% | 20.41% |
| 6 Rooms | 48,807, 11.93%, see rank | 16.80% | 18.06% |
| 7 Rooms | 47,759, 11.67%, see rank | 13.06% | 12.27% |
| 8 Rooms | 48,198, 11.78%, see rank | 10.92% | 8.48% |
| 9 Rooms or More | 114,585, 28.01%, see rank | 16.94% | 10.60% |
| Median Rooms | 6.60, see rank | 6.00 | 5.50 |
ACS 2008-2012 data
| | Fairfax County | Virginia | U.S. |
| Total Housing Units | 407,349, 100% | 3,365,855 | 131,642,457 |
| 1 Room | 2,879, 0.71%, see rank | 1.33% | 1.95% |
| 2 Rooms | 9,768, 2.40%, see rank | 1.65% | 2.36% |
| 3 Rooms | 34,972, 8.59%, see rank | 6.83% | 8.97% |
| 4 Rooms | 49,537, 12.16%, see rank | 14.53% | 16.57% |
| 5 Rooms | 46,642, 11.45%, see rank | 17.75% | 20.41% |
| 6 Rooms | 50,269, 12.34%, see rank | 17.02% | 18.25% |
| 7 Rooms | 49,891, 12.25%, see rank | 13.22% | 12.38% |
| 8 Rooms | 50,012, 12.28%, see rank | 11.02% | 8.59% |
| 9 Rooms or More | 113,379, 27.83%, see rank | 16.65% | 10.52% |
| Median Rooms | 6.70, see rank | 6.00 | 5.50 |
ACS 2006-2010 data
| | Fairfax County | Virginia | U.S. |
| Total Housing Units | 404,109, 100% | 3,315,739 | 130,038,080 |
| 1 Room | 2,067, 0.51%, see rank | 1.02% | 1.59% |
| 2 Rooms | 8,249, 2.04%, see rank | 1.74% | 2.62% |
| 3 Rooms | 32,682, 8.09%, see rank | 6.81% | 9.02% |
| 4 Rooms | 46,154, 11.42%, see rank | 14.68% | 16.85% |
| 5 Rooms | 49,923, 12.35%, see rank | 18.46% | 20.93% |
| 6 Rooms | 50,987, 12.62%, see rank | 17.29% | 18.56% |
| 7 Rooms | 52,899, 13.09%, see rank | 13.38% | 12.38% |
| 8 Rooms | 52,842, 13.08%, see rank | 10.99% | 8.39% |
| 9 Rooms or More | 108,306, 26.80%, see rank | 15.63% | 9.65% |
| Median Rooms | 6.70, see rank | 5.90 | 5.50 |
ACS 2005-2009 data
| | Fairfax County | Virginia | U.S. |
| Total Housing Units | 391,103, 100% | 3,264,058 | 127,699,712 |
| 1 Room | 1,418, 0.36%, see rank | 0.84% | 1.39% |
| 2 Rooms | 7,146, 1.83%, see rank | 1.76% | 2.78% |
| 3 Rooms | 30,974, 7.92%, see rank | 6.78% | 9.07% |
| 4 Rooms | 44,974, 11.50%, see rank | 14.90% | 17.03% |
| 5 Rooms | 48,349, 12.36%, see rank | 18.79% | 21.24% |
| 6 Rooms | 48,666, 12.44%, see rank | 17.51% | 18.70% |
| 7 Rooms | 51,849, 13.26%, see rank | 13.51% | 12.36% |
| 8 Rooms | 54,008, 13.81%, see rank | 11.00% | 8.26% |
| 9 Rooms or More | 103,719, 26.52%, see rank | 14.92% | 9.16% |
| Median Rooms | 6.80, see rank | 5.90 | 5.40 |
US Census 2000 data
| | Fairfax County | Virginia | U.S. |
| Total Housing Units | 359,411, 100% | 2,904,192 | 115,904,641 |
| 1 Room | 4,941, 1.37%, see rank | 1.17% | 2.20% |
| 2 Rooms | 15,490, 4.31%, see rank | 3.21% | 4.81% |
| 3 Rooms | 29,641, 8.25%, see rank | 7.07% | 9.84% |
| 4 Rooms | 33,699, 9.38%, see rank | 14.11% | 15.97% |
| 5 Rooms | 38,212, 10.63%, see rank | 19.23% | 20.89% |
| 6 Rooms | 39,345, 10.95%, see rank | 17.71% | 18.45% |
| 7 Rooms | 46,854, 13.04%, see rank | 13.66% | 12.06% |
| 8 Rooms | 55,152, 15.35%, see rank | 11.23% | 8.06% |
| 9 Rooms or More | 96,077, 26.73%, see rank | 12.60% | 7.70% |
| Median Rooms | 6.90, see rank | 5.80 | 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.
