Texas Township in Iowa, USA Center Township is a township in Sioux County, Iowa, USA.[1] References ^ U.S. Geological Survey Geographic Names Information System: Center Township, Sioux County, Iowa Municipalities and communities of Sioux County, Iowa, United StatesCounty seat: Orange CityCities Alton Boyden Chatsworth Granville Hawarden Hospers Hull Ireton Matlock Maurice Orange City Rock Valley Sheldon‡ Sioux Center Map of Iowa highlighting Sioux CountyUnincorporatedcommunities Carnes Middleburg Perkins Footnotes‡This populated place also has portions in an adjacent county or counties Iowa portal United States portal 43°02′N 96°16′W / 43.033°N 96.267°W / 43.033; -96.267