Plainsboro township is located in Middlesex county New jersey with a geographic area of square miles. The total population in Plainsboro township is 22,928 with 49.0% male and 51.0% female. Children under age 5 represent 5.1% of the population, under age 18 equal 22.4% of the population and over age 65 is 10.3% of the population. The median household income is $113,275, per capita income is $61,728. There are a total of 9,421 housing units with 51.1% owner occupied. Education includes 7.9% of residents that are high school graduates and 80.5% with a bachelor's degree or higher. The average temperature in Plainsboro township in the summer is 73 degrees, and in the winter 34 degrees.
