Sullivan is located in Madison county New york with a geographic area of square miles. The total population in Sullivan is 15,154 with 50.0% male and 50.0% female. Children under age 5 represent 4.3% of the population, under age 18 equal 20.3% of the population and over age 65 is 15.3% of the population. The median household income is $74,931, per capita income is $32,979. There are a total of 5,611 housing units with 84.0% owner occupied. Education includes 34.8% of residents that are high school graduates and 26.7% with a bachelor's degree or higher. The average temperature in Sullivan in the summer is 70 degrees, and in the winter 27 degrees.
