Knox is located in Albany county New york with a geographic area of square miles. The total population in Knox is 2,738 with 53.2% male and 46.8% female. Children under age 5 represent 4.7% of the population, under age 18 equal 20.6% of the population and over age 65 is 15.0% of the population. The median household income is $100,806, per capita income is $40,480. There are a total of 1,038 housing units with 95.0% owner occupied. Education includes 28.8% of residents that are high school graduates and 43.9% with a bachelor's degree or higher. The average temperature in Knox in the summer is 70 degrees, and in the winter 27 degrees.