Texas Township in Iowa, USA Van Buren Township is a township in Keokuk County, Iowa, USA.[1] References ^ U.S. Geological Survey Geographic Names Information System: Van Buren Township, Keokuk County, Iowa Municipalities and communities of Keokuk County, Iowa, United StatesCounty seat: SigourneyCities Delta Gibson Harper Hayesville Hedrick Keota‡ Keswick Kinross Martinsburg North English‡ Ollie Richland Sigourney South English Thornburg Webster What Cheer Map of Iowa highlighting Keokuk CountyUnincorporatedcommunities Atwood Tilton‡ Ghost town Hinkletown Footnotes‡This populated place also has portions in an adjacent county or counties Iowa portal United States portal 42°23′N 92°14′W / 42.383°N 92.233°W / 42.383; -92.233