Essex is located in Chittenden county Vermont with a geographic area of square miles. The total population in Essex is 21,672 with 47.7% male and 52.3% female. Children under age 5 represent 5.3% of the population, under age 18 equal 21.8% of the population and over age 65 is 17.4% of the population. The median household income is $86,212, per capita income is $43,554. There are a total of 9,153 housing units with 70.6% owner occupied. Education includes 13.2% of residents that are high school graduates and 54.4% with a bachelor's degree or higher. The average temperature in Essex in the summer is 65 degrees, and in the winter 19 degrees.