Granby is located in Hartford county Connecticut with a geographic area of square miles. The total population in Granby is 11,410 with 52.4% male and 47.6% female. Children under age 5 represent 6.7% of the population, under age 18 equal 20.5% of the population and over age 65 is 20.4% of the population. The median household income is $111,347, per capita income is $54,421. There are a total of 4,413 housing units with 91.9% owner occupied. Education includes 16.6% of residents that are high school graduates and 58.0% with a bachelor's degree or higher. The average temperature in Granby in the summer is 68 degrees, and in the winter 27 degrees.