Milan is a town in Franklin and Washington townships, Ripley County, in the U.S. state of Indiana. The population was 1,899 at the 2010 census. Milan High School won the Indiana state basketball championship against Muncie Central High School in 1954, the victory being significant as Milan was one of the smallest towns to win a state championship in the Uniā¦Milan is a town in Franklin and Washington townships, Ripley County, in the U.S. state of Indiana. The population was 1,899 at the 2010 census. Milan High School won the Indiana state basketball championship against Muncie Central High School in 1954, the victory being significant as Milan was one of the smallest towns to win a state championship in the United States at that time. The 1986 film Hoosiers is based on the story of the 1954 Milan Team.