Prairie Lake Township is a township in Saint Louis County, Minnesota, United States. The population was 50 at the 2010 census.
Balsam Road, Moen Road, and Graff Road pass through the township.
Geography
According to the United States Census Bureau, the township has a total area of ; is land and , or 0.81%, is water.
Prairie Lake Township is located in the southwest part of Saint Louis County. State Highway 73 (MN 73) is nearby.
The Prairie River flows through the township.
The northern and west–central portions of Prairie Lake Township are located within the Savanna State Forest.
Adjacent townships, cities, and communities
The following are adjacent to Prairie Lake Township :
- Halden Township (north)
- Floodwood Township (northeast)
- The city of Floodwood (northeast)
- Fine Lakes Township (east)
- North Carlton Unorganized Territory of Carlton County (southeast)
- The city of Cromwell of Carlton County (southeast)
- Beseman Township of Carlton County (south)
- The city of Wright of Carlton County (south)
- Haugen Township of Aitkin County (southwest)
- Balsam Township of Aitkin County (west)
- Savanna Portage State Park (west)
- Northeast Aitkin Unorganized Territory of Aitkin County (northwest)
Demographics
At the 2000 census there were 51 people, 20 households, and 15 families living in the township. The population density was 1.4 people per square mile (0.6/km). There were 46 housing units at an average density of 1.3/sq mi (0.5/km). The racial makeup of the township was 100.00% White.