Bellmore is located in Nassau county New york with a geographic area of 2.4 square miles. The total population in Bellmore is 15,887 with 47.8% male and 52.2% female. Children under age 5 represent 5.6% of the population, under age 18 equal 22.2% of the population and over age 65 is 16.2% of the population. The median household income is $139,988, per capita income is $54,375. There are a total of 5,237 housing units with 88.9% owner occupied. Education includes 17.7% of residents that are high school graduates and 54.5% with a bachelor's degree or higher. The average temperature in Bellmore in the summer is 70 degrees, and in the winter 27 degrees.