Belchertown is located in Hampshire county Massachusetts with a geographic area of 5.0 square miles. The total population in Belchertown is 3,037 with 45.2% male and 54.8% female. Children under age 5 represent 6.4% of the population, under age 18 equal 20.9% of the population and over age 65 is 19.5% of the population. The median household income is $71,809, per capita income is $34,500. There are a total of 1,261 housing units with 58.2% owner occupied. Education includes 28.9% of residents that are high school graduates and 28.6% with a bachelor's degree or higher. The average temperature in Belchertown in the summer is 70 degrees, and in the winter 30 degrees.