Greenfield is located in Illinois. Greenfield, Illinois has a population of 994. Greenfield is more family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 25%.
The median household income in Greenfield, Illinois is $56,955. The median household income for the surrounding county is $51,939 compared to the national median of $66,222. The median age of people living in Greenfield is 40.9 years.
The average high temperature in July is 86.93 degrees, with an average low temperature in January of 16.16 degrees. The annual precipitation is 37.34.