Coloma Charter Township is a charter township of Berrien County in the U.S. state of Michigan. The population was 5,020 at the 2010 census. The city of Coloma lies within the township. The township is located in the north central portion of the county. Hagar Township is to the west, Covert township of Van Buren County is to the north, Watervliet Township is to the east, Bainbridge Township is to the south, and Benton Charter Township to the southwest.