Oyster bay cove is located in Nassau county New york with a geographic area of 4.2 square miles. The total population in Oyster bay cove is 1,987 with 51.6% male and 48.4% female. Children under age 5 represent 5.1% of the population, under age 18 equal 16.8% of the population and over age 65 is 25.2% of the population. The median household income is $186,250, per capita income is $119,238. There are a total of 695 housing units with 92.4% owner occupied. Education includes 9.8% of residents that are high school graduates and 74.1% with a bachelor's degree or higher. The average temperature in Oyster bay cove in the summer is 70 degrees, and in the winter 27 degrees.