Putnam is located in Windham county Connecticut with a geographic area of 3.9 square miles. The total population in Putnam is 7,138 with 47.4% male and 52.6% female. Children under age 5 represent 2.9% of the population, under age 18 equal 19.4% of the population and over age 65 is 15.3% of the population. The median household income is $61,411, per capita income is $31,897. There are a total of 3,110 housing units with 49.5% owner occupied. Education includes 36.1% of residents that are high school graduates and 17.0% with a bachelor's degree or higher. The average temperature in Putnam in the summer is 68 degrees, and in the winter 27 degrees.