Green Valley is located in Illinois. Green Valley, Illinois has a population of 685. Green Valley is more family-centric than the surrounding county with 31% households with children. The county percentage for households with children is 28%.
The median household income in Green Valley, Illinois is $66,237. The median household income for the surrounding county is $64,032 compared to the national median of $66,222. The median age of people living in Green Valley is 38.8 years.
The average high temperature in July is 87.4 degrees, with an average low temperature in January of 15.7 degrees. The annual precipitation is 36.64.