Sullivan 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 174 at the 2000 census.
Sullivan Township was organized in 1880, and named for Timothy Sullivan, a local judge.
Geography
According to the United States Census Bureau, the township has a total area of 35.7 square miles (92.5 km), of which 35.6 square miles (92.3 km) is land and 0.1 square mile (0.2 km) (0.25%) is water.
Demographics
As of the census