Hardwick is located in Worcester county Massachusetts with a geographic area of square miles. The total population in Hardwick is 3,039 with 51.3% male and 48.7% female. Children under age 5 represent 3.9% of the population, under age 18 equal 25.1% of the population and over age 65 is 17.3% of the population. The median household income is $60,703, per capita income is $30,432. There are a total of 1,101 housing units with 70.0% owner occupied. Education includes 36.7% of residents that are high school graduates and 24.3% with a bachelor's degree or higher. The average temperature in Hardwick in the summer is 70 degrees, and in the winter 30 degrees.