Millstadt
Market InsightsMillstadt is a village in St. Clair County, Illinois, United States, and a suburb of St. Louis, located at the crossing of Illinois Routes 163 and 158. The village is known for its German heritage, with more than half its people of German descent. The population was 2,794 at the 2000 census, but a more recent study in July 2006 estimated the number at 3,247.