Illinois State Route 75 is a east-west highway in Eastern Stephenson County. This runs from the Winnebago/Stephenson County Line, near Davis, to Freeport. IL St Rt 75 passes through the following towns in Stephenson County. Davis Rock City Dakota Freeport
IL St Rt 75 is not multi-plexed in Stephenson County. IL St Rt 75 intersects the following highways in Stephenson County. U.S. Rt. 20, near Freeport.
