Greenville is located in Muhlenberg county Kentucky with a geographic area of 5.1 square miles. The total population in Greenville is 4,233 with 52.8% male and 47.2% female. Children under age 5 represent 4.0% of the population, under age 18 equal 14.6% of the population and over age 65 is 20.6% of the population. The median household income is $49,875, per capita income is $36,375. There are a total of 1,871 housing units with 72.0% owner occupied. Education includes 32.2% of residents that are high school graduates and 32.8% with a bachelor's degree or higher. The average temperature in Greenville in the summer is 76 degrees, and in the winter 36 degrees.