Curran Township is a township in Sangamon County, Illinois. As of the 2010 census, its population was 1,586, and it contained 662 housing units. Geography According to the 2010 census, the township has a total area of , of which (or 99.96%) is land and (or 0.04%) is water. Demographics References External links City-data.com Illinois State Archives Townships in Sangamon County, Illinois Springfield metropolitan area, Illinois Townships in Illinois