New Castle County, DE

New Castle County, Delaware is the northernmost of the three counties in Delaware and is part of the Delaware Valley area. New Castle County combines Wilmington's big city life with the small town charm of Newark, Delaware City and New Castle.

New Castle County offers the perfect mix of attractions, outdoor activities, and events. Enjoy a show at the Grand Opera House in Wilmington, learn from the Delaware Museum of Natural History, watch the Wilmington Blue Rocks play baseball, or visit one of the many summer festivals.



New Castle County Business Directory