| Official Zip Code Name | Keymar |
| Zip Code State | Maryland |
| Primary County: | Carroll |
| Area Code | 443/410/667 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 357 ft. |
| Area | 35.173 Sqm. |
| Coordinates(Y,X) | 39.597307, -77.247820 |