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ZIP code 21738

Glenwood, MD · Howard County

About ZIP code 21738

  • ZIP code 21738 is in Glenwood, Howard County, Maryland.
  • About 3,696 people live in it, which is 204.5 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 39.280, -77.026.

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.

Highland, MD

The closest town we cover is Highland, MD, about 7 miles from the middle of this ZIP code. 972 people live in Highland. Typical household income is $250,001. A typical home costs $914,000.

  • Stronger than most towns on: Long, healthy lives, Home internet and working from home and Space and yard size.
  • Weaker than most towns on: Pleasant weather for being outdoors, Housing affordability and Cost of living.

See all figures for Highland

Other ZIP codes in Highland

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.