Leef Township, Madison County, Illinois
Leef Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 628 and it contained 246 housing units. History Leef Township was named for the Swiss immigrant Jacob Leu, who anglicized his name to Leef. Geography According to the 2010 census, the township has a total area of , of which (or 99.59%) is land and (or 0.37%) is water. Demographics References External links City-data.com Illinois State Archives Townships in Madison County, Illinois Townships in Illinois