New Castle, a city located in the state of Delaware (DE), is home to a population of approximately 5,523 people. New Castle boasts a median age of 49.2, with around 30.6% of its residents aged 60 or above. 4.8% of the population identifies as US Veterans. 15.4% of New Castle residents are disabled. The city has an average household income of $95,884, while the unemployment rate stands at 1.3%, and around 4.3% of the population is considered to be living below the poverty level. In terms of housing, the average home value in New Castle is $244,655, with a monthly rent averaging $1,525.