City, Village & Township Government in Winnebago, IL Winnebago Twp Office116 S Benton StWinnebago, IL, 610888153357529Government City Village TownshipHarlem Township OfcsMayorUnemployment OfficeVillage Of Winnebego Sewage Plant108 W Main StWinnebago, IL, 610888153352230City HallCity HallsGovernment City Village Township Show MoreSee AlsoCity HallsFire Departments