Tunnel Hill is located in Illinois. Tunnel Hill, Illinois has a population of611.
The median household income in Tunnel Hill, Illinois is $58,957. The median household income for the surrounding county is $55,642 compared to the national median of $66,222. The median age of people living in Tunnel Hill is 50.2 years.
The average high temperature in July is 89.84 degrees, with an average low temperature in January of 24.02 degrees. The annual precipitation is 48.05.