Hempstead is located in Nassau county New york with a geographic area of 3.7 square miles. The total population in Hempstead is 55,153 with 47.0% male and 53.0% female. Children under age 5 represent 8.5% of the population, under age 18 equal 25.9% of the population and over age 65 is 12.4% of the population. The median household income is $68,946, per capita income is $27,368. There are a total of 16,290 housing units with 43.8% owner occupied. Education includes 29.6% of residents that are high school graduates and 20.5% with a bachelor's degree or higher. The average temperature in Hempstead in the summer is 70 degrees, and in the winter 27 degrees.