Hackettstown is located in Warren county New jersey with a geographic area of 3.6 square miles. The total population in Hackettstown is 9,440 with 46.3% male and 53.8% female. Children under age 5 represent 3.8% of the population, under age 18 equal 19.3% of the population and over age 65 is 16.5% of the population. The median household income is $79,798, per capita income is $36,865. There are a total of 3,463 housing units with 59.2% owner occupied. Education includes 25.3% of residents that are high school graduates and 37.5% with a bachelor's degree or higher. The average temperature in Hackettstown in the summer is 73 degrees, and in the winter 34 degrees.
