Sea cliff is located in Nassau county New york with a geographic area of 1.1 square miles. The total population in Sea cliff is 5,045 with 46.2% male and 53.8% female. Children under age 5 represent 4.8% of the population, under age 18 equal 26.4% of the population and over age 65 is 18.8% of the population. The median household income is $156,776, per capita income is $88,129. There are a total of 1,847 housing units with 83.4% owner occupied. Education includes 15.7% of residents that are high school graduates and 68.1% with a bachelor's degree or higher. The average temperature in Sea cliff in the summer is 70 degrees, and in the winter 27 degrees.
