Greenville is located in Darke county Ohio with a geographic area of 6.7 square miles. The total population in Greenville is 12,743 with 45.9% male and 54.1% female. Children under age 5 represent 4.6% of the population, under age 18 equal 21.6% of the population and over age 65 is 24.8% of the population. The median household income is $40,347, per capita income is $25,758. There are a total of 5,988 housing units with 54.7% owner occupied. Education includes 47.6% of residents that are high school graduates and 15.4% with a bachelor's degree or higher. The average temperature in Greenville in the summer is 71 degrees, and in the winter 32 degrees.
