North stonington is located in New london county Connecticut with a geographic area of square miles. The total population in North stonington is 5,239 with 51.0% male and 49.0% female. Children under age 5 represent 4.9% of the population, under age 18 equal 18.1% of the population and over age 65 is 23.7% of the population. The median household income is $61,963, per capita income is $36,847. There are a total of 2,168 housing units with 88.0% owner occupied. Education includes 26.5% of residents that are high school graduates and 43.5% with a bachelor's degree or higher. The average temperature in North stonington in the summer is 68 degrees, and in the winter 27 degrees.