Townsend, DE has a population of 2,320 and is the 10,220th largest city in the United States. The population density is 2,211 per sq mi which is 500% higher than the Delaware average and 2340% higher than the national average. The median age in Townsend is 30 which is approximately 24% lower than the Delaware average of 40. In Townsend, 59% of the population over 15 years of age are married, 88% speak English and 3% speak Spanish. 49% of Townsend residents were born in Delaware, 41% were born out of state, 1% were born outside of the United States and 9% were foreign born.