Sioux Agency township
- County:
- Yellow Medicine County
- County Seat:
- No
- Area (mi²):
- 41.78
- State:
- Minnesota
Sioux Agency township is located in Yellow Medicine County, Minnesota. Sioux Agency township has a 2026 population of 236. Sioux Agency 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 236 in 2020.
The median household income in Sioux Agency township is $92,083 with a poverty rate of 3.67%. The median age in Sioux Agency township is 36 years: 31.6 years for males, and 54 years for females. For every 100 females there are 137.0 males.