New Castle County is the northernmost of the three counties of the U.S. state of Delaware. As of the 2020 census, the population was 570,719, making it the most populous county in Delaware, with nearly 60% of the state's population of 989,948. The county seat is Wilmington, which is also the state's most populous city.
New Castle County is included in the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area. The county is named after William Cavendish, 1st Duke of Newcastle.
Wikipedia https://en.wikipedia.org/wiki/New_Castle_County,_Delaware
Official Website http://www2.nccde.org/police
Address 3601 N Dupont Hwy, 19720, United States
Coordinates 39°42'34.387" N -75°34'1.475" E
