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. Geography According to the 2010 census, the township has a total area of , of which (or 99.92%) is land and (or 0.08%) is water. Demographics References External links City-data.com Illinois State Archives Townships in McLean County, Illinois Populated places established in 1857 Townships in Illinois 1857 establishments in Illinois