Union is located in Union county South carolina with a geographic area of 8.0 square miles. The total population in Union is 7,716 with 46.3% male and 53.7% female. Children under age 5 represent 6.9% of the population, under age 18 equal 20.6% of the population and over age 65 is 20.9% of the population. The median household income is $33,148, per capita income is $22,392. There are a total of 3,601 housing units with 48.8% owner occupied. Education includes 30.5% of residents that are high school graduates and 16.6% with a bachelor's degree or higher. The average temperature in Union in the summer is 78 degrees, and in the winter 43 degrees.
