Stephentown is located in Rensselaer county New york with a geographic area of square miles. The total population in Stephentown is 2,879 with 54.8% male and 45.2% female. Children under age 5 represent 3.6% of the population, under age 18 equal 14.0% of the population and over age 65 is 18.0% of the population. The median household income is $73,482, per capita income is $40,389. There are a total of 1,253 housing units with 83.2% owner occupied. Education includes 31.8% of residents that are high school graduates and 24.0% with a bachelor's degree or higher. The average temperature in Stephentown in the summer is 70 degrees, and in the winter 27 degrees.