St. Joseph Charter Township is a charter township of Berrien County in the U.S. state of Michigan. The population was 10,028 at the 2010 census. The township is on the shores of Lake Michigan in the west central portion of the county, south of and adjacent to the city of St. Joseph. The village of Shoreham, on Lake Michigan south of St. Joseph city, is the only incorporated community within the boundaries of the township. Both the village and township are bedroom communities for the city of St. Joseph. The township was one of the original divisions of Berrien County, and was organized in 1832.