Riverdale is located in Morris county New jersey with a geographic area of 2.0 square miles. The total population in Riverdale is 4,179 with 49.0% male and 51.0% female. Children under age 5 represent 6.2% of the population, under age 18 equal 18.4% of the population and over age 65 is 18.9% of the population. The median household income is $112,688, per capita income is $53,629. There are a total of 1,853 housing units with 73.1% owner occupied. Education includes 24.1% of residents that are high school graduates and 55.1% with a bachelor's degree or higher. The average temperature in Riverdale in the summer is 73 degrees, and in the winter 34 degrees.
