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ZIP code 21757

Keymar, MD · Carroll County

About ZIP code 21757

  • ZIP code 21757 is in Keymar, Carroll County, Maryland.
  • About 2,671 people live in it, which is 29.3 people per square mile.
  • It also reaches into Frederick County.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 39.599, -77.259.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Union Bridge, MD

The closest town we cover is Union Bridge, MD, about 5 miles from the middle of this ZIP code. 1,055 people live in Union Bridge. Typical household income is $76,250. A typical home costs $293,300.

  • Stronger than most towns on: A place that is growing, Safety and Airport access.
  • Weaker than most towns on: Short commute, Dining and entertainment and Pleasant weather for being outdoors.

See all figures for Union Bridge

Other ZIP codes in Union Bridge

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.