Banner Township is one of twenty-six townships in Fulton County, Illinois, USA. As of the 2010 census, its population was 373 and it contained 177 housing units. The township was known as Utica Township, then Monterey Township, before becoming Banner Township.
According to the 2010 census, the township has a total area of 34.1 square miles (88 km2), of which 28.5 square miles (74 km2) (or 83.58%) is land and 5.6 square miles (15 km2) (or 16.42%) is water.
Commerce Was an early village on the mouth of the copperas creek where it empties into the Illinois River. Just like Mills Point it never materalized & ceased to exist. It was platted in 1843 by Lyman B. Suydam.