
Sioux township
- County:
- Sioux County
- County Seat:
- No
- Area (mi²):
- 35.904
- State:
- Iowa
Sioux township is located in Sioux County, Iowa. Sioux township has a 2025 population of 139. Sioux township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Sioux township is $31,449 with a poverty rate of 43.17%. The median age in Sioux township is 49.7 years: 49.3 years for males, and 57.5 years for females.