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is a city in St. Louis County, Missouri, United States. The population was 9,104 at the 2000 census.
According to the United States Census Bureau, the city has a total area of 4.3 square miles (11.3 km²), all of it land.
Located thirteen (13) miles west of the western city limits of St. Louis. Ellisville is located approximately five (5) miles south of I-64, five (5) miles north of I-44, and seven (7) miles west of I-270. There are two primary arterial roads which bisect Ellisville: Missouri Highway Route 100 (Manchester Road) and Missouri Highway Route 340 (Clarkson Road). Ellisville’s land mass is approximately , and is bordered by the City of Clarkson Valley to the north, the City of Ballwin to the east and southeast, unincorporated St. Louis County to the south, and the City of Wildwood to the west.