![](\"http://www.usa.com/img/s9.gif\")
, rank #26| Population | 338,916 (2010-2014), rank #4 |
| Population Growth | 22.15% since 2005-2009, see rank |
| Population Density: | 650.34/sq mi, rank #41 |
| Median Household Income: | $123,966 at 2010-2014—10.66% increase since 2005-2009, rank #1 |
| Median House Price: | $443,100 at 2010-2014—-12.83% increase since 2005-2009, rank #6 |
| Time Zone: | Eastern GMT -5:00 with Daylight Saving in the Summer |
| Land Area: | 515.56 sq mi, rank #20 |
| Water Area: | 5.58 sq mi (1.07%), rank #44 |
| State: | Virginia |
| School District: | , rank #26 |