Glastonbury is located in Hartford county Connecticut with a geographic area of square miles. The total population in Glastonbury is 34,527 with 48.9% male and 51.1% female. Children under age 5 represent 4.8% of the population, under age 18 equal 21.3% of the population and over age 65 is 20.2% of the population. The median household income is $120,605, per capita income is $60,913. There are a total of 13,958 housing units with 80.6% owner occupied. Education includes 13.7% of residents that are high school graduates and 67.6% with a bachelor's degree or higher. The average temperature in Glastonbury in the summer is 68 degrees, and in the winter 27 degrees.