Harvard is located in Worcester county Massachusetts with a geographic area of square miles. The total population in Harvard is 6,592 with 58.5% male and 41.5% female. Children under age 5 represent 5.1% of the population, under age 18 equal 23.4% of the population and over age 65 is 16.3% of the population. The median household income is $170,250, per capita income is $60,938. There are a total of 1,803 housing units with 95.5% owner occupied. Education includes 5.9% of residents that are high school graduates and 75.9% with a bachelor's degree or higher. The average temperature in Harvard in the summer is 70 degrees, and in the winter 30 degrees.