Fenton Township is located in Whiteside County, Illinois, United States. As of the 2010 census, its population was 536 and it contained 236 housing units. Geography According to the 2010 census, the township has a total area of , of which (or 98.98%) is land and (or 1.02%) is water. Demographics References External links City-data.com Whiteside County Official Site History of Fenton Township, 1877 Townships in Whiteside County, Illinois Townships in Illinois