Some of the city was served by Cahokia Unit School District 187. Lalumier K-8 School is located in Centreville. Centerville K-8 is located in an unincorporated area near Centreville. Some of the city was served by East St. Louis School District 189. Brown Elementary School is located in Centreville. Poverty Centreville was the poorest city in the state of Illinois, as well as one of the poorest cities in the nation. The town median household income was $17,441, while the typical home in the area is worth approximately $47,900. The city was located on a Mississippi River floodplain known as American Bottom, and experiences chronic flooding and raw sewage disposal problems due to the area's inadequate system of drainage ditches, levees and emergency pumps. References Former municipalities in Illinois Former populated places in Illinois Populated places disestablished in 2021 Cities in St. Clair County, Illinois