Woodbridge is located in Middlesex county New jersey with a geographic area of 4.6 square miles. The total population in Woodbridge is 20,500 with 49.8% male and 50.2% female. Children under age 5 represent 8.9% of the population, under age 18 equal 22.9% of the population and over age 65 is 13.3% of the population. The median household income is $93,837, per capita income is $37,999. There are a total of 7,421 housing units with 53.2% owner occupied. Education includes 26.0% of residents that are high school graduates and 40.9% with a bachelor's degree or higher. The average temperature in Woodbridge in the summer is 73 degrees, and in the winter 34 degrees.