Union is located in Monroe county West virginia with a geographic area of 0.4 square miles. The total population in Union is 459 with 49.9% male and 50.1% female. Children under age 5 represent 2.4% of the population, under age 18 equal 6.3% of the population and over age 65 is 36.4% of the population. The median household income is $26,151, per capita income is $24,599. There are a total of 291 housing units with 68.0% owner occupied. Education includes 50.2% of residents that are high school graduates and 16.5% with a bachelor's degree or higher. The average temperature in Union in the summer is 69 degrees, and in the winter 32 degrees.