Elizabeth is located in Union county New jersey with a geographic area of 12.3 square miles. The total population in Elizabeth is 128,484 with 49.4% male and 50.6% female. Children under age 5 represent 7.5% of the population, under age 18 equal 26.1% of the population and over age 65 is 10.7% of the population. The median household income is $50,647, per capita income is $22,640. There are a total of 41,729 housing units with 25.9% owner occupied. Education includes 35.4% of residents that are high school graduates and 15.6% with a bachelor's degree or higher. The average temperature in Elizabeth in the summer is 75 degrees, and in the winter 34 degrees.