Wynantskill is located in Rensselaer county New york with a geographic area of 3.4 square miles. The total population in Wynantskill is 3,420 with 46.4% male and 53.6% female. Children under age 5 represent 4.5% of the population, under age 18 equal 23.1% of the population and over age 65 is 18.2% of the population. The median household income is $71,970, per capita income is $36,037. There are a total of 1,416 housing units with 82.7% owner occupied. Education includes 27.8% of residents that are high school graduates and 29.4% with a bachelor's degree or higher. The average temperature in Wynantskill in the summer is 70 degrees, and in the winter 27 degrees.