Milbank is a city in Grant County , South Dakota , along the South Fork of the Whetstone River . The population was 3,353 at the 2010 census . It is the county seat of Grant County. In 1925 The American Legion Department of South Dakota established a new program for high school aged youth that grew into a national program. Milbank is the birthplace of American Legion Baseball played in all fifty states by more than five thousand teams.
History The city was founded in 1880 when the Chicago, Milwaukee and St. Paul Railway first laid rails into South Dakota, and was named in honor of railroad director Jeremiah Milbank . The city was incorporated in 1881.
