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ZIP code 21791

Union Bridge, MD · Frederick County

About ZIP code 21791

  • ZIP code 21791 is in Union Bridge, Frederick County, Maryland.
  • About 5,340 people live in it, which is 44.8 people per square mile.
  • It also reaches into Carroll County.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 39.543, -77.187.

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

ZIP code 21791 is the post office name for Union Bridge, MD. 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

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