Zip code 19720 belongs to the city of New Castle, Delaware. Look at the map below for a visual overview of the location of New Castle, DE.
The zip code 19720 is located in Delaware and belongs to the city of New Castle. The population is about 61957 people, most of which are mostly white.
There are more women than men in New Castle.
The city of New Castle, DE, which owns zip code 19720, is located on the South, in the South Atlantic region of the United States