Greenville is located in Bond county Illinois with a geographic area of 6.3 square miles. The total population in Greenville is 6,725 with 57.9% male and 42.1% female. Children under age 5 represent 3.1% of the population, under age 18 equal 14.8% of the population and over age 65 is 17.7% of the population. The median household income is $40,625, per capita income is $20,551. There are a total of 2,351 housing units with 52.3% owner occupied. Education includes 18.8% of residents that are high school graduates and 32.7% with a bachelor's degree or higher. The average temperature in Greenville in the summer is 74 degrees, and in the winter 27 degrees.
