Delaware River · DE

New Castle

Delaware's colonial capital, where William Penn first landed.

Population
5,551 (2020 census)
Founded
1651, as Fort Casimir
Historic district
About 500 buildings

Then

  1. 1651

    The Dutch West India Company, under Peter Stuyvesant, builds Fort Casimir.

  2. 1654–1664

    Sweden takes it as Fort Trinity, the Dutch retake it as New Amstel, and in 1664 the English seize it and name it New Castle.

  3. 1682

    William Penn first sets foot in America here on October 27.

  4. 1777

    Delaware's government moves from New Castle to Dover in May.

  5. 1967

    The historic district becomes a National Historic Landmark.

Now

The old Court House, Delaware's first State House, is part of First State National Historical Park. Delaware City, Pea Patch Island, Salem and the C&D Canal share this stretch of the river.

29 tide stations around New Castle

Show all 29 stations

Sources