Roslyn harbor is located in Nassau county New york with a geographic area of 1.2 square miles. The total population in Roslyn harbor is 1,014 with 50.4% male and 49.6% female. Children under age 5 represent 3.7% of the population, under age 18 equal 23.4% of the population and over age 65 is 24.8% of the population. The median household income is $169,091, per capita income is $81,996. There are a total of 328 housing units with 97.3% owner occupied. Education includes 3.0% of residents that are high school graduates and 80.5% with a bachelor's degree or higher. The average temperature in Roslyn harbor in the summer is 70 degrees, and in the winter 27 degrees.
