Hanover is located in Illinois. Hanover, Illinois has a population of 783. Hanover is less family-centric than the surrounding county with 17.54% of the households containing married families with children. The county average for households married with children is 22.74%.
The median household income in Hanover, Illinois is $46,333. The median household income for the surrounding county is $61,289 compared to the national median of $69,021. The median age of people living in Hanover is 50.5 years.
The average high temperature in July is 84.2 degrees, with an average low temperature in January of 10.5 degrees. The average rainfall is approximately 36.5 inches per year, with 32.5 inches of snow per year.