The Village of Coal Valley is in both Rock Island County and Henry County in the U.S. state of Illinois. The population was 3,606 at the 2000 census. It is mostly residential, housing families that work in or out of the greater Quad Cities Area. The students of the Rock Island County part of Coal Valley attend the Moline School District number 40, and in the Henry County part, Orion Community Unit School District 223 Coal Valley apartments for rent comparison page shows most up to date rent information on Coal Valley apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.