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New Castle is located in Delaware. New Castle, Delaware 19720 has a population of 4,952. New Castle 19720 is more family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 27%.

The median household income in New Castle, Delaware 19720 is $57,997. The median household income for the surrounding county is $66,528 compared to the national median of $57,525. The median age of people living in New Castle 19720 is 44.9 years.

New Castle Weather

The average high temperature in July is 86 degrees, with an average low temperature in January of 23.7 degrees. The annual precipitation is 42.81.

New Castle Real Estate Market Conditions

  • Median sales price

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New Castle Schools and Demographics


Education near New Castle, DE

City County
College Degree - 2 year 8 7
College Degree - 4 year 15 21

Demographics near New Castle, DE 19720

Zip Code City
Population 4,952 566,013
Population Density 1,457 1,328
Median Age 44.9 38.7
People per Household 2.3 2.6
Median Household Income 57,997 66,528
Average Income per Capita 32,389 33,604

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