Keansburg is located in Monmouth county New jersey with a geographic area of 1.1 square miles. The total population in Keansburg is 9,697 with 46.5% male and 53.5% female. Children under age 5 represent 5.9% of the population, under age 18 equal 19.5% of the population and over age 65 is 11.1% of the population. The median household income is $74,208, per capita income is $31,639. There are a total of 3,717 housing units with 49.2% owner occupied. Education includes 44.0% of residents that are high school graduates and 15.6% with a bachelor's degree or higher. The average temperature in Keansburg in the summer is 73 degrees, and in the winter 34 degrees.