Groton is located in New london county Connecticut with a geographic area of 3.1 square miles. The total population in Groton is 8,999 with 49.2% male and 50.8% female. Children under age 5 represent 5.5% of the population, under age 18 equal 19.8% of the population and over age 65 is 13.4% of the population. The median household income is $51,941, per capita income is $33,927. There are a total of 4,549 housing units with 38.1% owner occupied. Education includes 28.8% of residents that are high school graduates and 32.3% with a bachelor's degree or higher. The average temperature in Groton in the summer is 70 degrees, and in the winter 27 degrees.
