Belleville, Illinois

city in and seat of St. Clair County, Illinois, United States

Belleville is a city in St. Clair County, Illinois.[1] The population was 44,478 according to the Census Bureau's 2010 data,[2] making it the largest city in southern Illinois.

Flag of Belleville, Illinois.gif


  1. "Belleville officially takes over township's duties". bnd. Retrieved 2017-09-07.
  2. "U.S. Census Bureau QuickFacts: Belleville city, Illinois". Retrieved 2020-01-03.