Folsom is located in Atlantic county New jersey with a geographic area of 8.3 square miles. The total population in Folsom is 1,610 with 56.3% male and 43.7% female. Children under age 5 represent 4.8% of the population, under age 18 equal 18.9% of the population and over age 65 is 17.8% of the population. The median household income is $101,250, per capita income is $42,198. There are a total of 569 housing units with 94.2% owner occupied. Education includes 37.4% of residents that are high school graduates and 26.9% with a bachelor's degree or higher. The average temperature in Folsom in the summer is 73 degrees, and in the winter 34 degrees.