Towanda Township is located in McLean County, Illinois. As of the 2010 census, its population was 1,296 and it contained 555 housing units. It contains the town of Towanda, Illinois.
According to the 2010 census, the township has a total area of 35.1 square miles (91 km2), all land.
- ^ a b "Population, Housing Units, Area, and Density: 2010 - County -- County Subdivision and Place -- 2010 Census Summary File 1". United States Census. Retrieved 2013-05-28.
Coordinates: 40°32′05″N 88°51′50″W / 40.53472°N 88.86389°W