Hanover is located in Illinois. Hanover, Illinois has a population of 837. Hanover is more family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 21%.
The median household income in Hanover, Illinois is $43,121. The median household income for the surrounding county is $58,700 compared to the national median of $66,222. The median age of people living in Hanover is 48.2 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 4.2 degrees. The annual precipitation is 34.93.