Coal Valley is located in Illinois. Coal Valley, Illinois has a population of 3,835. Coal Valley is less family-centric than the surrounding county with 25.82% of the households containing married families with children. The county average for households married with children is 26.3%.
The median household income in Coal Valley, Illinois is $80,095. The median household income for the surrounding county is $58,974 compared to the national median of $69,021. The median age of people living in Coal Valley is 48.6 years.
The average high temperature in July is 85.3 degrees, with an average low temperature in January of 15 degrees. The average rainfall is approximately 37 inches per year, with 28 inches of snow per year.
