Centreville is a city and the county seat of Bibb County, Alabama, United States. At the 2020 census, the population was 2,800. According to the U.S. Census Bureau, Centreville has a total area of 9.6 square miles, of which 9.5 square miles are land and 0.15 square miles, or 1.52%, is water. The city is bordered to the west by the city of Brent by the Cahaba River.