West hempstead is located in Nassau county New york with a geographic area of 2.7 square miles. The total population in West hempstead is 19,787 with 49.9% male and 50.1% female. Children under age 5 represent 7.7% of the population, under age 18 equal 25.0% of the population and over age 65 is 14.3% of the population. The median household income is $130,781, per capita income is $44,577. There are a total of 5,881 housing units with 91.9% owner occupied. Education includes 20.6% of residents that are high school graduates and 48.6% with a bachelor's degree or higher. The average temperature in West hempstead in the summer is 70 degrees, and in the winter 27 degrees.