Williston park is located in Nassau county New york with a geographic area of 0.6 square miles. The total population in Williston park is 7,266 with 47.5% male and 52.5% female. Children under age 5 represent 6.7% of the population, under age 18 equal 23.5% of the population and over age 65 is 17.1% of the population. The median household income is $120,625, per capita income is $58,288. There are a total of 2,567 housing units with 74.2% owner occupied. Education includes 23.0% of residents that are high school graduates and 49.2% with a bachelor's degree or higher. The average temperature in Williston park in the summer is 70 degrees, and in the winter 27 degrees.