Preston Township is located in Richland County, Illinois. As of the 2010 census, its population was 1,247 and it contained 635 housing units. Before May 2, 1859, this locale was known as Douglas Township.
Geography According to the 2010 census, the township has a total area of , of which (or 98.07%) is land and (or 1.93%) is water.
Demographics
References
External links City-data.com Illinois State Archives