Cliffside park is located in Bergen county New jersey with a geographic area of 1.0 square miles. The total population in Cliffside park is 25,410 with 47.4% male and 52.6% female. Children under age 5 represent 5.6% of the population, under age 18 equal 18.7% of the population and over age 65 is 20.3% of the population. The median household income is $83,989, per capita income is $46,421. There are a total of 10,592 housing units with 50.3% owner occupied. Education includes 21.9% of residents that are high school graduates and 48.0% with a bachelor's degree or higher. The average temperature in Cliffside park in the summer is 73 degrees, and in the winter 34 degrees.