| Official Zip Code Name | Gwynn Oak |
| Zip Code State | Maryland |
| Primary County: | Baltimore |
| Area Code | 410/443/667 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 295 ft. |
| Area | 10.345 Sqm. |
| Coordinates(Y,X) | 39.324836, -76.714952 |