Hay Lake is an unorganized territory in Saint Louis County, Minnesota, United States.
According to the United States Census Bureau, the unorganized territory has a total area of 30.0 square miles (77.8 km2), of which 29.8 square miles (77.2 km2) is land and 0.2 square mile (0.6 km2) (0.77%) is water.
At the 2010 census, 83 people lived in the territory (down from the figure of 98 recorded in 2000[1]) in 38 households and 29 families.
[2] The racial makeup of the unorganized territory was 100.00% White.
This article about a location in St. Louis County, Minnesota is a stub.