Keystone Township, Polk County, Minnesota
| Keystone Township, Minnesota | |
|---|---|
| Coordinates: 47°58′15″N 96°47′41″W / 47.97083°N 96.79472°W | |
| Country | United States | 
| State | Minnesota | 
| County | Polk | 
| Area | |
|  • Total | 35.6 sq mi (92.3 km2) | 
| • Land | 35.6 sq mi (92.3 km2) | 
| • Water | 0.0 sq mi (0.0 km2) | 
| Elevation | 850 ft (259 m) | 
| Population  (2000) | |
|  • Total | 100 | 
| • Density | 2.8/sq mi (1.1/km2) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| FIPS code | 27-33002 | 
| GNIS feature ID | 0664625 | 
Keystone Township is a township in Polk County, Minnesota, United States. It is part of the Grand Forks-ND-MN Metropolitan Statistical Area. The population was 100 at the 2000 census.
Keystone Township was organized in 1881, and took its name from the Keystone state: Pennsylvania.