Monmouth junction is located in Middlesex county New jersey with a geographic area of 4.4 square miles. The total population in Monmouth junction is 8,911 with 52.5% male and 47.5% female. Children under age 5 represent 6.5% of the population, under age 18 equal 26.3% of the population and over age 65 is 8.3% of the population. The median household income is $121,127, per capita income is $52,191. There are a total of 3,151 housing units with 65.1% owner occupied. Education includes 5.7% of residents that are high school graduates and 84.9% with a bachelor's degree or higher. The average temperature in Monmouth junction in the summer is 73 degrees, and in the winter 34 degrees.
