Bardonia is located in Rockland county New york with a geographic area of 2.6 square miles. The total population in Bardonia is 3,575 with 49.9% male and 50.1% female. Children under age 5 represent 6.9% of the population, under age 18 equal 17.9% of the population and over age 65 is 27.3% of the population. The median household income is $142,813, per capita income is $53,651. There are a total of 1,274 housing units with 89.7% owner occupied. Education includes 10.5% of residents that are high school graduates and 65.9% with a bachelor's degree or higher. The average temperature in Bardonia in the summer is 70 degrees, and in the winter 27 degrees.