where is tallmadge township michigan
Location within the state of Michigan. Coordinates: 42Â°59â²24â³N 85Â°50â²18â³W / 42.99000Â°N 85.83833Â°W / 42.99000; -85.83833Coordinates: 42Â°59â²24â³N 85Â°50â²18â³W / 42.99000Â°N 85.83833Â°W / 42.99000; -85.83833. Tallmadge Charter Township is a charter township of Ottawa County in the U.S. state of Michigan. The population was 7,575 at the 2010 census.