Hawthorne is located in Passaic county New jersey with a geographic area of 3.3 square miles. The total population in Hawthorne is 18,762 with 49.8% male and 50.2% female. Children under age 5 represent 5.7% of the population, under age 18 equal 20.0% of the population and over age 65 is 18.4% of the population. The median household income is $103,586, per capita income is $48,523. There are a total of 7,138 housing units with 61.7% owner occupied. Education includes 26.0% of residents that are high school graduates and 46.3% with a bachelor's degree or higher. The average temperature in Hawthorne in the summer is 73 degrees, and in the winter 34 degrees.