| City : | Gainesville |
| County : | Prince William County |
| State : | Virginia (VA) |
| | |
| Land Area : | 10.10 sq mi |
| Water Area : | 0.57 sq mi |
| Latitude : | 38.7932369 |
| Longitude : | -77.6423889 |
| | |
| Population (2010): | 11,481 |
| Population Estimate (2012) : | 11,225 |
| Population Density : | 1,136.38/sq mi |
| Housing Units (2012) : | 3,959 |
| Median Household Income (2012) : | $125,733 (Virginia : $63,636, USA : $53,046) |
| Median Family Income (2012) : | $136,241 (Virginia : $76,566, USA : $64,585) |
| Median House Price (2012) : | $439,500 (Virginia : $249,700, USA : $181,400) |