Sinnott township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 36.141
- State:
- Minnesota
Sinnott township is located in Marshall County, Minnesota. Sinnott township has a 2026 population of 26. Sinnott township is currently declining at a rate of 0% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 27 in 2020.
The median household income in Sinnott township is $81,250 with a poverty rate of 20.69%. The median age in Sinnott township is 52.3 years: 52.5 years for males, and 39.5 years for females. For every 100 females there are 123.1 males.