Union township is located in Clinton county Ohio with a geographic area of 8.3 square miles. The total population in Union township is 1,387 with 48.2% male and 51.8% female. Children under age 5 represent 4.7% of the population, under age 18 equal 23.9% of the population and over age 65 is 28.3% of the population. The median household income is $40,463, per capita income is $23,556. There are a total of 642 housing units with 84.0% owner occupied. Education includes 53.4% of residents that are high school graduates and 5.8% with a bachelor's degree or higher. The average temperature in Union township in the summer is 73 degrees, and in the winter 32 degrees.
