Sioux Township is a township in Clay County, Iowa, USA. As of the 2000 census, its population was 395.
History Sioux Township was created in 1894.
Geography Sioux Township covers an area of and contains no incorporated settlements.
The streams of Big Muddy Creek, Little Muddy Creek, Lost Island Outlet and Prairie Creek run through this township.
Notes
References USGS Geographic Names Information System (GNIS)
External links US-Counties.com City-Data.com