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is a village in St. Clair County, Illinois, United States. It is part of Greater St. Louis. The population was 249 at the 2000 census.
According to the United States Census Bureau, the village has a total area of 4.4 square miles (11.5 km²), of which, 4.1 square miles (10.7 km²) of it is land and 0.3 square miles (0.8 km²) of it (7.19%) is water.
Sauget is located in the American Bottom, the floodplain of the Mississippi River opposite St. Louis, Missouri