Pine brook is located in Morris county New jersey with a geographic area of 3.2 square miles. The total population in Pine brook is 5,717 with 51.7% male and 48.3% female. Children under age 5 represent 6.6% of the population, under age 18 equal 23.5% of the population and over age 65 is 19.7% of the population. The median household income is $153,663, per capita income is $60,745. There are a total of 2,127 housing units with 66.9% owner occupied. Education includes 7.9% of residents that are high school graduates and 63.6% with a bachelor's degree or higher. The average temperature in Pine brook in the summer is 73 degrees, and in the winter 34 degrees.