Mendon is located in Illinois. Mendon, Illinois has a population of 1,119. Mendon is more family-centric than the surrounding county with 41.94% of the households containing married families with children. The county average for households married with children is 27.52%.
The median household income in Mendon, Illinois is $56,875. The median household income for the surrounding county is $58,587 compared to the national median of $69,021. The median age of people living in Mendon is 36.7 years.
The average high temperature in July is 86 degrees, with an average low temperature in January of 17.3 degrees. The average rainfall is approximately 38.8 inches per year, with 17.8 inches of snow per year.
