There are 283 Plumbing Services in New Castle County, Delaware, serving a population of 555,036 people in an area of 427 square miles. There is 1 Plumbing Service per 1,961 people, and 1 Plumbing Service per 1 square miles.
In Delaware, New Castle County is ranked 2nd of 3 counties in Plumbing Services per capita, and 1st of 3 counties in Plumbing Services per square mile.