Carbon Cliff Real EstateCarbon Cliff is located in Illinois. Carbon Cliff, Illinois has a population of 1,907. Carbon Cliff is less family-centric than the surrounding county with 21.93% of the households containing married families with children. The county average for households married with children is 25.55%. The median household income in Carbon Cliff, Illinois is $34,132. The median household income for the surrounding county is $51,426 compared to the national median of $57,652. The median age of people living in Carbon Cliff is 33.6 years. Carbon Cliff WeatherThe average high temperature in July is 85.2 degrees, with an average low temperature in January of 14.6 degrees. The average rainfall is approximately 36.7 inches per year, with 29.9 inches of snow per year. Carbon Cliff MapReal estate near Carbon CliffNearby CitiesNearby Cities Homes for Sale |