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ZIP code 19720

New Castle, DE · New Castle County

About ZIP code 19720

  • ZIP code 19720 is in New Castle, New Castle County, Delaware.
  • About 62,392 people live in it, which is 628.9 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 39.645, -75.607.

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.

New Castle, DE

ZIP code 19720 is the post office name for New Castle, DE. 5,579 people live in New Castle. Typical household income is $89,205. A typical home costs $285,100.

  • Stronger than most towns on: Public transit, Walkability and Home internet and working from home.
  • Weaker than most towns on: Cost of living, Clean air and low disaster risk and Safety.

See all figures for New Castle

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.