Townsend is a town in New Castle County, Delaware, United States. The population was 2,049 at the 2010 census, an increase of 492.2% from 2000. The center of population of Delaware is located in Townsend.

Delaware is a state in the Mid-Atlantic region of the United States. It borders Maryland to its south and west, Pennsylvania to its north, New Jersey to its northeast, and the Atlantic Ocean to its east. The state's name derives from the adjacent Delaware Bay, which in turn was named after Thomas West, 3rd Baron De La Warr, an English nobleman and the Colony of Virginia's first colonial-era governor.