Old Town Township is located in McLean County, Illinois. As of the 2010 census, its population was 3,010 and it contained 1,046 housing units.[2]
Geography
According to the 2010 census, the township has a total area of 35.49 square miles (91.9 km2), of which 35.46 square miles (91.8 km2) (or 99.92%) is land and 0.03 square miles (0.078 km2) (or 0.08%) is water.[2]