Grand Ledge is a city in the U.S. state of Michigan. The city lies mostly within Eaton County, though a small portion extends into Clinton County to the north. The city sits above the Grand River 12.7 miles (20.4 kilometers) west of downtown Lansing. The population was 7,786 at the 2010 census. The city is named for its sandstone and quartzite rock ledges that rise 60 feet (18 m) above the Grand River and are used by recreational rock climbers.