Cornish township
- County:
- Sibley County
- County Seat:
- No
- Area (mi²):
- 35.441
- State:
- Minnesota
Cornish township is located in Sibley County, Minnesota. Cornish township has a 2026 population of 241. Cornish township is currently declining at a rate of 0% annually and its population has increased by 1.69% since the most recent census, which recorded a population of 237 in 2020.
The median household income in Cornish township is $78,750 with a poverty rate of 8.05%. The median age in Cornish township is 52.8 years: 52.6 years for males, and 56.1 years for females. For every 100 females there are 133.7 males.