South windsor is located in Hartford county Connecticut with a geographic area of square miles. The total population in South windsor is 25,962 with 49.3% male and 50.7% female. Children under age 5 represent 5.5% of the population, under age 18 equal 23.0% of the population and over age 65 is 16.1% of the population. The median household income is $119,972, per capita income is $53,513. There are a total of 9,753 housing units with 86.0% owner occupied. Education includes 17.2% of residents that are high school graduates and 57.2% with a bachelor's degree or higher. The average temperature in South windsor in the summer is 68 degrees, and in the winter 27 degrees.