Union is located in Union county New jersey with a geographic area of 0.3 square miles. The total population in Union is 2,591 with 53.3% male and 46.7% female. Children under age 5 represent 3.7% of the population, under age 18 equal 12.9% of the population and over age 65 is 14.8% of the population. The median household income is $92,232, per capita income is $39,595. There are a total of 973 housing units with 77.2% owner occupied. Education includes 21.0% of residents that are high school graduates and 49.6% with a bachelor's degree or higher. The average temperature in Union in the summer is 73 degrees, and in the winter 34 degrees.
