Mud Lake, MinnesotaMud Lake is an unorganized territory located in Marshall County, Minnesota, United States. In all censuses since 2000, the unorganized territory recorded a population of 0.HistoryMud Lake was organized as Mud Lake Township, and named for a former lake that has since been drained.GeographyAccording to the United States Census Bureau, the unorganized territory has a total area of, of which is land and is water.DemographicsAs of the census of 2000, there were no people living in the unorganized territory.