Avon is located in Norfolk county Massachusetts with a geographic area of square miles. The total population in Avon is 4,513 with 48.3% male and 51.7% female. Children under age 5 represent 5.8% of the population, under age 18 equal 18.9% of the population and over age 65 is 15.9% of the population. The median household income is $97,353, per capita income is $38,312. There are a total of 1,634 housing units with 75.2% owner occupied. Education includes 36.2% of residents that are high school graduates and 25.5% with a bachelor's degree or higher. The average temperature in Avon in the summer is 70 degrees, and in the winter 30 degrees.