Shelbyville Township is located in Shelby County, Illinois. As of the 2010 census, its population was 4,739 and it contained 2,308 housing units.[2]
Geography
According to the 2010 census, the township has a total area of 35.81 square miles (92.7 km2), of which 34.04 square miles (88.2 km2) (or 95.06%) is land and 1.76 square miles (4.6 km2) (or 4.91%) is water.[2]