Clayton is located in Jefferson county New york with a geographic area of 1.6 square miles. The total population in Clayton is 1,932 with 49.1% male and 50.9% female. Children under age 5 represent 4.0% of the population, under age 18 equal 16.4% of the population and over age 65 is 25.1% of the population. The median household income is $50,966, per capita income is $33,883. There are a total of 945 housing units with 55.2% owner occupied. Education includes 25.7% of residents that are high school graduates and 25.9% with a bachelor's degree or higher. The average temperature in Clayton in the summer is 70 degrees, and in the winter 27 degrees.