Coloma Township is located in Whiteside County, Illinois. As of the 2010 census, its population was 11,371 and it contained 5,162 housing units.[4] It consists of the area in and around Rock Falls, Illinois.
Geography
According to the 2010 census, the township has a total area of 11.18 square miles (29.0 km2), of which 10.05 square miles (26.0 km2) (or 89.89%) is land and 1.13 square miles (2.9 km2) (or 10.11%) is water.[4]