Mastic beach is located in Suffolk county New york with a geographic area of 4.9 square miles. The total population in Mastic beach is 15,610 with 46.6% male and 53.4% female. Children under age 5 represent 7.2% of the population, under age 18 equal 26.0% of the population and over age 65 is 10.3% of the population. The median household income is $84,805, per capita income is $31,525. There are a total of 5,047 housing units with 79.3% owner occupied. Education includes 27.8% of residents that are high school graduates and 16.0% with a bachelor's degree or higher. The average temperature in Mastic beach in the summer is 70 degrees, and in the winter 27 degrees.
