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is a small town in St. Clair County, Illinois, United States. The population was 5,659 at the 2000 census, but in 2006 the city performed a new census, which brought the population up to 6,800.
According to the United States Census Bureau, the city has a total area of 8.7 square miles (22.5 km²), of which, 8.6 square miles (22.4 km²) of it is land and 0.1 square miles (0.2 km²) of it (0.69%) is water.