Jamesburg is located in Middlesex county New jersey with a geographic area of 0.9 square miles. The total population in Jamesburg is 5,876 with 51.4% male and 48.6% female. Children under age 5 represent 8.4% of the population, under age 18 equal 28.0% of the population and over age 65 is 11.2% of the population. The median household income is $87,551, per capita income is $36,225. There are a total of 2,208 housing units with 79.0% owner occupied. Education includes 28.5% of residents that are high school graduates and 42.8% with a bachelor's degree or higher. The average temperature in Jamesburg in the summer is 73 degrees, and in the winter 34 degrees.
