Mount Zion is a village in Macon County, Illinois, United States. The population was 6,019 at the 2020 census.[4] Geography
Mount Zion is located in southeastern Macon County. It is bordered to the northwest by the city of Decatur, the county seat, and to the north by the village of Long Creek. Illinois Route 121 passes through the village, leading northwest 8 miles (13 km) to the center of Decatur and southeast 19 miles (31 km) to Sullivan.