Lexington Township is located in McLean County, Illinois. As of the 2010 census, its population was 2,399 and it contained 1,005 housing units. Geography According to the 2010 census, the township has a total area of , of which (or 99.98%) is land and (or 0.02%) is water. Demographics References External links City-data.com Illinois State Archives Townships in McLean County, Illinois Townships in Illinois