Chatham township is located in Morris county New jersey with a geographic area of 2.3 square miles. The total population in Chatham township is 10,216 with 47.8% male and 52.2% female. Children under age 5 represent 5.1% of the population, under age 18 equal 29.2% of the population and over age 65 is 15.5% of the population. The median household income is $202,000, per capita income is $107,932. There are a total of 3,536 housing units with 85.9% owner occupied. Education includes 7.1% of residents that are high school graduates and 85.1% with a bachelor's degree or higher. The average temperature in Chatham township in the summer is 73 degrees, and in the winter 34 degrees.