Hanover is located in Illinois. Hanover, Illinois has a population of 654. Hanover is less family-centric than the surrounding county with 12.43% of the households containing married families with children. The county average for households married with children is 27.03%.
The median household income in Hanover, Illinois is $40,694. The median household income for the surrounding county is $55,532 compared to the national median of $57,652. The median age of people living in Hanover is 51.9 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 10.7 degrees. The average rainfall is approximately 36.8 inches per year, with 33.1 inches of snow per year.
