Oak ridge is located in Passaic county New jersey with a geographic area of 13.3 square miles. The total population in Oak ridge is 11,639 with 50.7% male and 49.3% female. Children under age 5 represent 4.8% of the population, under age 18 equal 24.6% of the population and over age 65 is 13.8% of the population. The median household income is $120,554, per capita income is $49,591. There are a total of 4,507 housing units with 92.6% owner occupied. Education includes 24.1% of residents that are high school graduates and 43.8% with a bachelor's degree or higher. The average temperature in Oak ridge in the summer is 73 degrees, and in the winter 34 degrees.