Greenville is located in Illinois. Greenville, Illinois has a population of 6,981. Greenville is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 26%.
The median household income in Greenville, Illinois is $55,169. The median household income for the surrounding county is $60,447 compared to the national median of $66,222. The median age of people living in Greenville is 35.4 years.
The average high temperature in July is 88.17 degrees, with an average low temperature in January of 19.16 degrees. The annual precipitation is 40.14.