St. Charles County, Missouri

St. Charles County is in the central eastern part of the U.S. state of Missouri. As of the 2020 census, the population was 405,262, making it Missouri's third-most populous... Wikipedia

  • Founded:  October 1, 1812
  • Named for:  Charles Borromeo
  • Seat:  St. Charles
  • Largest city:  O'Fallon
  • Total:  593 sq mi (1,535.86 km²)
  • Land:  560 sq mi (1,450.39 km²)
  • Water:  32 sq mi (82.88 km²), 5.4
  • Time zone:  Central: UTC-6-5
  • Website:  www.sccmo.org
  • Data Source:  DuckDuckGo