Bainbridge Township is a civil township of Berrien County in the U.S. state of Michigan. As of the 2010 census, the township population was 2,850. It was organized in 1837. The name is a transfer from Bainbridge, New York. The township is in the northeast portion of the county, with Benton Charter Township to the west, Hagar Township to the northwest, and Coloma Charter Township and Watervliet Charter Township to the north. East of the township is Keeler Township in Van Buren County. Pipestone Township is to the south, and Sodus Township to the southwest.