Demarest is located in Bergen county New jersey with a geographic area of 2.1 square miles. The total population in Demarest is 4,911 with 50.2% male and 49.8% female. Children under age 5 represent 4.6% of the population, under age 18 equal 27.2% of the population and over age 65 is 15.8% of the population. The median household income is $153,558, per capita income is $82,261. There are a total of 1,672 housing units with 83.8% owner occupied. Education includes 3.0% of residents that are high school graduates and 79.0% with a bachelor's degree or higher. The average temperature in Demarest in the summer is 73 degrees, and in the winter 34 degrees.
