| Official Zip Code Name | Gainesville |
| Zip Code State | Virginia |
| Primary County: | Prince William |
| Area Code | 571/703 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 359 ft. |
| Area | 25.475 Sqm. |
| Coordinates(Y,X) | 38.813292, -77.633941 |