Jefferson Township is one of sixteen townships in Buchanan County, Iowa, USA. As of the 2000 census, its population was 726.

Geography

Jefferson Township covers an area of 36 square miles (93 km) and contains one incorporated settlement, Brandon. The unincorporated community of Shady Grove is at the northwestern edge of the township. According to the USGS, it contains four cemeteries: Bear Creek School, First, Jefferson Township and Shady Grove (historical).