Harrington park is located in Bergen county New jersey with a geographic area of 1.8 square miles. The total population in Harrington park is 4,735 with 47.3% male and 52.7% female. Children under age 5 represent 7.7% of the population, under age 18 equal 24.9% of the population and over age 65 is 19.6% of the population. The median household income is $135,750, per capita income is $74,011. There are a total of 1,746 housing units with 96.7% owner occupied. Education includes 13.5% of residents that are high school graduates and 65.4% with a bachelor's degree or higher. The average temperature in Harrington park in the summer is 73 degrees, and in the winter 34 degrees.