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ZIP code 21042

Ellicott City, MD · Howard County

About ZIP code 21042

  • ZIP code 21042 is in Ellicott City, Howard County, Maryland.
  • About 43,327 people live in it, which is 452.1 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 39.271, -76.892.

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.

Ellicott City, MD

ZIP code 21042 is the post office name for Ellicott City, MD. 75,257 people live in Ellicott City. Typical household income is $156,964. A typical home costs $661,700.

  • Stronger than most towns on: Long, healthy lives, Home internet and working from home and Diversity & community.
  • Weaker than most towns on: Cost of living, Property taxes and Pleasant weather for being outdoors.

See all figures for Ellicott City

Other ZIP codes in Ellicott City

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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.