Cities & Towns in New Castle County, DE

New Castle County, county in Delaware, United States. As of 2020 county had an estimated population of 561,531 inhabitants. The county was created 360 years ago in 1664. Its county seat is Wilmington.

There are 0 city/town in New Castle County, DE.

As the northernmost county in Delaware, New Castle County is home to the state's largest city and capital, Wilmington. Once known primarily as a large industrial and manufacturing hub, Wilmington has transformed into a thriving financial, legal, and cultural center, with a revitalized riverfront area.

Beyond Wilmington, New Castle County contains a mix of small cities, towns, and unincorporated communities, each with their own distinct identities. To the west along the Delaware River is the city of Newark, dominated by the University of Delaware campus yet also containing historic neighborhoods and a quaint downtown. Historic New Castle, to the south of Wilmington, is a colonial riverside town with well-preserved architecture. Middletown offers a more small-town feel in the center of the county. And along the eastern edge, beach towns like Rehoboth Beach and Lewes attract summer tourists and retirees.

From the multinational corporations headquartered in Wilmington to the resort communities on the Atlantic coastline, New Castle County encapsulates much of Delaware's diversity within its urban, suburban, small town, and rural landscapes. The blend of history, culture, business, and nature make it an appealing place to live, work, and explore. With each city and town boasting its own identity, New Castle County provides options and amenities for residents across the spectrum.

All New Castle County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in New Castle County.

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County Cities on Map (0)