"Jesus Christ is the same yesterday and today and forever."
— Hebrews 13:8ESV
CountyWilliamson
Population16,836
📍 Coordinates37.7345° N, 88.942° W
About Marion
Marion is the county seat of Williamson County, Illinois, United States. The population was 16,855 according to the 2020 census. It is part of a dispersed urban area that developed out of early 20th-century coal fields.