There are 222 Auto Parts & Accessories Stores in New Castle County, Delaware, serving a population of 555,036 people in an area of 427 square miles. There is 1 Auto Parts & Accessories Store per 2,500 people, and 1 Auto Parts & Accessories Store per 1 square miles.
In Delaware, New Castle County is ranked 2nd of 3 counties in Auto Parts & Accessories Stores per capita, and 1st of 3 counties in Auto Parts & Accessories Stores per square mile.