Hockessin is located in New castle county Delaware with a geographic area of 10.0 square miles. The total population in Hockessin is 14,172 with 46.7% male and 53.3% female. Children under age 5 represent 5.5% of the population, under age 18 equal 23.4% of the population and over age 65 is 23.3% of the population. The median household income is $153,879, per capita income is $65,401. There are a total of 4,925 housing units with 90.3% owner occupied. Education includes 9.1% of residents that are high school graduates and 77.9% with a bachelor's degree or higher. The average temperature in Hockessin in the summer is 74 degrees, and in the winter 35 degrees.