Succasunna is located in Morris county New jersey with a geographic area of 5.9 square miles. The total population in Succasunna is 9,367 with 47.4% male and 52.6% female. Children under age 5 represent 4.8% of the population, under age 18 equal 19.2% of the population and over age 65 is 19.9% of the population. The median household income is $142,964, per capita income is $56,105. There are a total of 3,277 housing units with 92.3% owner occupied. Education includes 18.3% of residents that are high school graduates and 51.0% with a bachelor's degree or higher. The average temperature in Succasunna in the summer is 73 degrees, and in the winter 34 degrees.