| Zip Code : | 20155 |
| City : | Gainesville, Haymarket town, Linton Hall |
| County : | Prince William County |
| State : | Virginia (VA) |
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| Land Area : | 28.90 sq mi |
| Water Area : | 0.93 sq mi |
| Latitude : | 38.8101139 |
| Longitude : | -77.6177887 |
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| Population (2010): | 29,411 |
| Population Estimate (2012) : | 29,738 |
| Population Density : | 1,017.68/sq mi |
| Housing Units (2012) : | 10,357 |
| Median Household Income (2012) : | $124,323 (Virginia : $63,636, USA : $53,046) |
| Median Family Income (2012) : | $132,012 (Virginia : $76,566, USA : $64,585) |
| Median House Price (2012) : | $403,700 (Virginia : $249,700, USA : $181,400) |