Hampden is located in Hampden county Massachusetts with a geographic area of square miles. The total population in Hampden is 5,174 with 51.1% male and 48.9% female. Children under age 5 represent 3.2% of the population, under age 18 equal 13.3% of the population and over age 65 is 27.3% of the population. The median household income is $94,393, per capita income is $43,110. There are a total of 2,025 housing units with 92.7% owner occupied. Education includes 26.3% of residents that are high school graduates and 41.2% with a bachelor's degree or higher. The average temperature in Hampden in the summer is 70 degrees, and in the winter 30 degrees.