Townsend is located in New castle county Delaware with a geographic area of 1.0 square miles. The total population in Townsend is 2,546 with 46.2% male and 53.8% female. Children under age 5 represent 7.9% of the population, under age 18 equal 31.2% of the population and over age 65 is 4.5% of the population. The median household income is $137,856, per capita income is $39,268. There are a total of 739 housing units with 94.0% owner occupied. Education includes 23.0% of residents that are high school graduates and 53.3% with a bachelor's degree or higher. The average temperature in Townsend in the summer is 74 degrees, and in the winter 35 degrees.