There are 396 Banks & Credit Unions in New Castle County, Delaware, serving a population of 555,036 people in an area of 427 square miles. There is 1 Bank & Credit Union per 1,401 people, and 1 Bank & Credit Union per 1 square miles.
In Delaware, New Castle County is ranked 2nd of 3 counties in Banks & Credit Unions per capita, and 1st of 3 counties in Banks & Credit Unions per square mile.