Moro Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 3,551 and it contained 1,491 housing units. It contains part of the census-designated places of Holiday Shores and Moro.
According to the 2010 census, the township has a total area of , of which (or 97.85%) is land and (or 2.15%) is water.