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ZIP code 21701

Frederick, MD · Frederick County

About ZIP code 21701

  • ZIP code 21701 is in Frederick, Frederick County, Maryland.
  • About 43,048 people live in it, which is 418.6 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 39.447, -77.335.

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.

Frederick, MD

ZIP code 21701 is the post office name for Frederick, MD. 83,395 people live in Frederick. Typical household income is $97,069. A typical home costs $401,500.

  • Stronger than most towns on: Diversity & community, Walkability and Long, healthy lives.
  • Weaker than most towns on: Cost of living, Short commute and Housing affordability.

See all figures for Frederick

Other ZIP codes in Frederick

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.