North hempstead is located in Nassau county New york with a geographic area of square miles. The total population in North hempstead is 230,922 with 48.6% male and 51.4% female. Children under age 5 represent 5.4% of the population, under age 18 equal 22.9% of the population and over age 65 is 19.0% of the population. The median household income is $130,551, per capita income is $66,055. There are a total of 77,775 housing units with 78.6% owner occupied. Education includes 14.4% of residents that are high school graduates and 60.9% with a bachelor's degree or higher. The average temperature in North hempstead in the summer is 70 degrees, and in the winter 27 degrees.