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is a village in Cook County, Illinois, United States. The population was 10,637 at the 2000 census.
According to the United States Census Bureau, the village has a total area of 2.3 square miles (5.9 km²), of which, 2.1 square miles (5.5 km²) of it is land and 0.2 square miles (0.4 km²) of it (6.58%) is water. Most of "Summit" is actually in the floodplain of the Des Plaines River.