Centreville Township is located in St. Clair County, Illinois.

As of the 2010 census, its population was 25,386 and it contained 10,535 housing units.

[2] Centreville Township was formed from Centreville Station when it was subdivided on March 5, 1910.

According to the 2010 census, the township has a total area of 29.39 square miles (76.1 km2), of which 27.9 square miles (72 km2) (or 94.93%) is land and 1.49 square miles (3.9 km2) (or 5.07%) is water.

This St. Clair County, Illinois location article is a stub.