Coal City, IL Prices for Houses for Sale AVERAGE 328,841 +39% MEDIAN 337,450 +96% Relative Price (per sqft.) PRICE Listings of Coal City Homes for Purchase ACTIVE 11 -15% NEW 12 -50% Market Duration of Homes Sold DAYS 22 -79% Local Statistics Population 5,351 (-0.01%) House Size (sqft.) 1,890 (57.50%)