Sioux Township, Clay County, Iowa

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 30.45 sqmi and contains no incorporated settlements.

The streams of Big Muddy Creek, Little Muddy Creek, Lost Island Outlet and Prairie Creek run through this township.