Keymar ZIP Codes

List of Zip Codes of Keymar

The following table lists ZIP Codes associated with Keymar, Maryland, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 21757 39.59902 -77.25906 Carroll 2,810 30.8


About Keymar Maryland Zip Codes

The city of Keymar in Maryland (MD) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 2,810 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Keymar fall within county jurisdictions such as Carroll. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Keymar, Maryland follow the America/New_York time zone.