Grafton is the oldest city in Jersey County , Illinois , United States . It is located near the confluence of the Illinois and Mississippi Rivers . As of the 2010 U.S. census , the city had a total population of 674 . Prior to the Great Flood of 1993 , Grafton had enjoyed a stable population of nearly 1,000 residents
Great Flood of 1993
Great Flood of 1993
Grafton, Illinois