Clinton is located in Middlesex county Connecticut with a geographic area of 2.4 square miles. The total population in Clinton is 3,309 with 49.0% male and 51.0% female. Children under age 5 represent 3.9% of the population, under age 18 equal 13.3% of the population and over age 65 is 21.3% of the population. The median household income is $68,824, per capita income is $44,807. There are a total of 1,504 housing units with 69.7% owner occupied. Education includes 29.0% of residents that are high school graduates and 34.5% with a bachelor's degree or higher. The average temperature in Clinton in the summer is 68 degrees, and in the winter 27 degrees.