Georgetown is located in Essex county Massachusetts with a geographic area of square miles. The total population in Georgetown is 8,733 with 48.3% male and 51.7% female. Children under age 5 represent 4.6% of the population, under age 18 equal 22.9% of the population and over age 65 is 17.3% of the population. The median household income is $122,600, per capita income is $53,422. There are a total of 3,322 housing units with 77.8% owner occupied. Education includes 17.7% of residents that are high school graduates and 51.0% with a bachelor's degree or higher. The average temperature in Georgetown in the summer is 70 degrees, and in the winter 30 degrees.