Mason City Township, Mason County, Illinois

Mason City Township is located in Mason County, Illinois, United States. As of the 2010 census, its population was 2,633 and it contained 1,220 housing units.

Geography
According to the 2010 census, the township has a total area of 35.51 sqmi, of which 35.42 sqmi (or 99.75%) is land and 0.09 sqmi (or 0.25%) is water.