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.
Townsend is located at 39°23′42″N 75°41′30″W (39.3951115, -75.6915973).
According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.6 km2), all of it land.
At the 2000 census there were 346 people, 132 households, and 95 families living in the town. The population density was 582.3 people per square mile (226.4/km²). There were 151 housing units at an average density of 254.1 per square mile (98.8/km²). The racial makeup of the town was 84.10% White, 11.56% African American, 0.87% Native American, 0.87% Asian, 2.60% from other races. Hispanic or Latino of any race were 2.60%.
Of the 132 households 36.4% had children under the age of 18 living with them, 59.1% were married couples living together, 9.8% had a female householder with no husband present, and 28.0% were non-families. 20.5% of households were one person and 7.6% were one person aged 65 or older. The average household size was 2.62 and the average family size was 3.06.