Cos cob is located in Fairfield county Connecticut with a geographic area of 2.2 square miles. The total population in Cos cob is 7,065 with 47.6% male and 52.4% female. Children under age 5 represent 4.9% of the population, under age 18 equal 27.3% of the population and over age 65 is 15.9% of the population. The median household income is $136,642, per capita income is $75,589. There are a total of 2,587 housing units with 68.1% owner occupied. Education includes 12.8% of residents that are high school graduates and 67.9% with a bachelor's degree or higher. The average temperature in Cos cob in the summer is 68 degrees, and in the winter 27 degrees.
