New Castle is a town located in the Delaware region of the United States. During the most recent census, New Castle had a population of 5,285. New Castle is the 17th most poplulated city in the Delaware region, the 6,080th most populated city in the United States and the 29,185th most populated city in the world. New Castle is in the America/New York timezone which is 4 hours behind UTC. New Castle adjusts the hour with daylight savings time during the winter months.
New Castle is located at sea level (3 meters / 10 feet). The closest cities to New Castle are Wilmington Manor (3.2 km / 2.0 miles), Pennsville (4.4 km / 2.7 miles), Newport (6.8 km / 4.2 miles), Bear (8.7 km / 5.4 miles) and Elsmere (9.0 km / 5.6 miles)