North bellmore is located in Nassau county New york with a geographic area of 2.6 square miles. The total population in North bellmore is 21,422 with 50.3% male and 49.7% female. Children under age 5 represent 4.0% of the population, under age 18 equal 22.3% of the population and over age 65 is 15.3% of the population. The median household income is $150,353, per capita income is $54,380. There are a total of 6,420 housing units with 90.4% owner occupied. Education includes 18.6% of residents that are high school graduates and 51.7% with a bachelor's degree or higher. The average temperature in North bellmore in the summer is 70 degrees, and in the winter 27 degrees.