Belleville, Illinois

Belleville, Illinois
Main Street
Main Street
Flag of Belleville, Illinois
Location of Belleville, Illinois
Belleville is located in Illinois
Belleville
Belleville
Belleville is located in the United States
Belleville
Belleville
Coordinates: 38°31′18″N 89°59′43″W / 38.52167°N 89.99528°W / 38.52167; -89.99528
Country United States
State Illinois
County St. Clair
Founded1814
Government
 • MayorPatty Gregory
Area
 • Total23.49 sq mi (60.84 km2)
 • Land23.23 sq mi (60.17 km2)
 • Water0.26 sq mi (0.67 km2)
Elevation502 ft (153 m)
Population
 (2020)
 • Total42,404
 • Density1,825.16/sq mi (704.71/km2)
Time zoneUTC−6 (CST)
 • Summer (DST)UTC−5 (CDT)
ZIP code(s)
62220-62223, 62225, 62226
Area code618
FIPS code17-163-04858
GNIS feature ID2394118[2]
Websitebelleville.net

Belleville is a city and the county seat of St. Clair County, Illinois, United States.[3] The population was 42,404 at the 2020 census, making it the most populated city in the Metro East region of Greater St. Louis, and in all of Southern Illinois. Due to its proximity to Scott Air Force Base, the city has a significant population of military and federal civilian personnel. It is the seat of the Roman Catholic Diocese of Belleville and home to the National Shrine of Our Lady of the Snows.

  1. ^ "2020 U.S. Gazetteer Files". United States Census Bureau. Retrieved March 15, 2022.
  2. ^ a b U.S. Geological Survey Geographic Names Information System: Belleville, Illinois
  3. ^ "Find a County". National Association of Counties. Archived from the original on July 12, 2012. Retrieved June 7, 2011.

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