| City : | Great Falls |
| County : | Fairfax County |
| State : | Virginia (VA) |
| Land Area : | 25.42 sq mi |
| Water Area : | 0.24 sq mi |
| Latitude : | 39.0120489 |
| Longitude : | -77.3025663 |
| Population (2010): | 15,427 |
| Population Estimate (2012) : | 16,098 |
| Population Density : | 606.96/sq mi |
| Housing Units (2012) : | 5,179 |
| Median Household Income (2012) : | $217,552 (Virginia : $63,636, USA : $53,046) |
| Median Family Income (2012) : | $238,239 (Virginia : $76,566, USA : $64,585) |
| Median House Price (2012) : | $0 (Virginia : $249,700, USA : $181,400) |