Four Mile Township is located in Wayne County, Illinois. As of the 2010 census, its population was 666 and it contained 272 housing units.[2]
Geography
According to the 2010 census, the township has a total area of 40.06 square miles (103.8 km2), of which 40.04 square miles (103.7 km2) (or 99.95%) is land and 0.02 square miles (0.052 km2) (or 0.05%) is water.[2]