Coal City is located in Illinois. Coal City, Illinois has a population of 5,740. Coal City is more family-centric than the surrounding county with 37% households with children. The county percentage for households with children is 33%.
The median household income in Coal City, Illinois is $77,202. The median household income for the surrounding county is $79,417 compared to the national median of $66,222. The median age of people living in Coal City is 37.7 years.
The average high temperature in July is 85.4 degrees, with an average low temperature in January of 12.6 degrees. The annual precipitation is 37.25.