Dunellen is located in Middlesex county New jersey with a geographic area of 1.1 square miles. The total population in Dunellen is 7,215 with 51.2% male and 48.8% female. Children under age 5 represent 8.9% of the population, under age 18 equal 27.1% of the population and over age 65 is 13.8% of the population. The median household income is $75,564, per capita income is $31,950. There are a total of 2,408 housing units with 66.0% owner occupied. Education includes 31.6% of residents that are high school graduates and 35.5% with a bachelor's degree or higher. The average temperature in Dunellen in the summer is 73 degrees, and in the winter 34 degrees.
