Crossword clues for Seat of Will County, Illinois 6 letters:PEORIAIllinois county or its seatURBANASeat of Champaign County, IllinoisJOLIETSeat of Will County, IllinoisDECATURSeat of Macon County, IllinoisCAIROSeat of Illinois's Alexander CountySALEMSeat of Marion County in both Illinois and OregonKANKAKEEIllinois city that's a county seat