Smithtown is located in Suffolk county New york with a geographic area of 11.9 square miles. The total population in Smithtown is 26,197 with 49.7% male and 50.3% female. Children under age 5 represent 4.2% of the population, under age 18 equal 21.4% of the population and over age 65 is 19.0% of the population. The median household income is $137,625, per capita income is $58,743. There are a total of 8,751 housing units with 89.8% owner occupied. Education includes 16.3% of residents that are high school graduates and 54.9% with a bachelor's degree or higher. The average temperature in Smithtown in the summer is 70 degrees, and in the winter 27 degrees.
