Belleville's City Hall is located at 101 S. Illinois St. and is one block south of the Public Square where Illinois State Route 159 and Main Streets intersect in the center of downtown. The current building was constructed in 1957. The Mayor, City Clerk and Treasurer have offices inside City Hall. Several other departments function out of this location, as well. The City Council conducts meetings from the Council Chambers that is located on the first floor of the building. City Hall hours are 8 am to 5 pm, Monday through Friday.
St. Clair County
St. Clair County is the oldest county in the State of Illinois, predating the establishment of Illinois, itself. Resources and information regarding St. Clair County can be found via the St. Clair County website.