Grey Cloud Island Township is a township in Washington County, Minnesota, United States. The population was 283 at the 2020 census. The township formerly included all of Lower Grey Cloud Island but that area has been annexed by the neighboring city of Cottage Grove. Since then the township has been made up of Upper Grey Cloud Island, an area to the north bounded by Grey Cloud Trail and Geneva Avenue, and a small piece of Lower Grey Cloud Island.
History
Name
Grey Cloud Island is named after Grey Cloud Woman, who lived on the island from 1838 to 1847.
Geography
According to the United States Census Bureau, the township has a total area of , of which is land and (18.91%) is water. County 75 serves as a main route in the township.
Demographics
At the 2010 census there were 307 people, 117 households, and 76 families in the township. The population density was . There were 123 housing units at an average density of . The racial makeup of the township was 97.39% White, 0.33% African American, 0.33% Native American, 0.98% from other races, and 0.98% from two or more races. Hispanic or Latino of any race were 1.63%.