| City : | Triangle |
| County : | Prince William County |
| State : | Virginia (VA) |
| | |
| Land Area : | 2.81 sq mi |
| Water Area : | 0.18 sq mi |
| Latitude : | 38.5471512 |
| Longitude : | -77.3184935 |
| | |
| Population (2010): | 8,188 |
| Population Estimate (2012) : | 8,172 |
| Population Density : | 2,909.25/sq mi |
| Housing Units (2012) : | 3,143 |
| Median Household Income (2012) : | $62,486 (Virginia : $63,636, USA : $53,046) |
| Median Family Income (2012) : | $101,719 (Virginia : $76,566, USA : $64,585) |
| Median House Price (2012) : | $383,000 (Virginia : $249,700, USA : $181,400) |