Ronkonkoma is located in Suffolk county New york with a geographic area of 8.1 square miles. The total population in Ronkonkoma is 18,953 with 51.4% male and 48.6% female. Children under age 5 represent 6.0% of the population, under age 18 equal 20.1% of the population and over age 65 is 13.8% of the population. The median household income is $111,052, per capita income is $41,525. There are a total of 6,159 housing units with 82.1% owner occupied. Education includes 23.5% of residents that are high school graduates and 40.3% with a bachelor's degree or higher. The average temperature in Ronkonkoma in the summer is 70 degrees, and in the winter 27 degrees.
