Pennsville is located in Salem county New jersey with a geographic area of 10.7 square miles. The total population in Pennsville is 11,968 with 48.1% male and 51.9% female. Children under age 5 represent 4.7% of the population, under age 18 equal 20.9% of the population and over age 65 is 20.3% of the population. The median household income is $68,369, per capita income is $33,458. There are a total of 4,951 housing units with 71.6% owner occupied. Education includes 33.5% of residents that are high school graduates and 20.1% with a bachelor's degree or higher. The average temperature in Pennsville in the summer is 73 degrees, and in the winter 34 degrees.