Dover is located in Illinois. Dover, Illinois has a population of 147. Dover is more family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 26%.
The median household income in Dover, Illinois is $56,667. The median household income for the surrounding county is $58,569 compared to the national median of $66,222. The median age of people living in Dover is 42.3 years.
The average high temperature in July is 85.1 degrees, with an average low temperature in January of 13.8 degrees. The annual precipitation is 37.87.