Newark is located in Essex county New jersey with a geographic area of 24.1 square miles. The total population in Newark is 281,917 with 48.9% male and 51.1% female. Children under age 5 represent 7.0% of the population, under age 18 equal 24.4% of the population and over age 65 is 10.6% of the population. The median household income is $37,476, per capita income is $20,924. There are a total of 102,195 housing units with 23.5% owner occupied. Education includes 33.5% of residents that are high school graduates and 17.4% with a bachelor's degree or higher. The average temperature in Newark in the summer is 74 degrees, and in the winter 34 degrees.