Day is an unincorporated community in Maple Ridge Township, Isanti County, Minnesota, United States.

Nearby places include Dalbo, Coin, Braham, Lewis Lake, and Cranberry Wildlife Management Area.

Day's vibrant socio-economic function began circa 1910 and was concluded by 1970.

Once a thriving micro-center of commerce, Day listed a Farmer's Co-op Creamery complete with frozen food lockers for the public's rental, a feed mill (Harry Brightbill), a hardware store (Arthur Wallen), a grocery & dry goods store (John Kranz), an egg produce, a tavern, and an automobile service and repair garage (Ruben Edblad).

This article about a location in Isanti County, Minnesota is a stub.