Sioux Township is a township in Plymouth County, Iowa in the United States. [1] The township was set off from portions of Lincoln Township and Plymouth Township by the county supervisors. [2] The township is named after the Big Sioux River, which forms the township's western border. [3]
The elevation of Sioux Township is listed as 1316 feet above mean sea level. [1]
42°41′45″N96°31′32″W / 42.69583°N 96.52556°W