Wilmington (Lenape: Paxahakink, Pakehakink) is the largest city in the state of Delaware, United States, built on the site of Fort Christina, the first Swedish settlement in North America. It is located at the confluence of the Christina River and Brandywine River, near where the Christina flows into the Delaware River. It is the county seat of New Castle County and one of the major cities in the Delaware Valley metropolitan area. Wilmington was named by Proprietor Thomas Penn after his friend Spencer Compton, Earl of Wilmington, who was prime minister in the reign of George II of Great Britain.
As of the 2010 United States Census, the population of the city is 70,851, reflecting a decline of 2.4% from the 2000 Census.