Saint Charles (commonly abbreviated St. Charles) is a city in, and the county seat of, St. Charles County, Missouri, United States. The population was 70,493 at the 2020 census, making St. Charles the ninth-most populous city in Missouri. Situated on the Missouri River, St. Charles is a northwestern suburb of St. Louis.
saint charles (commonly abbreviated st charles) is a city in and the county seat of st charles county missouri united states the population was 70493 at the 2020 census making st charles the ninth-most populous city in missouri situated on the missouri river st charles is a northwestern suburb of st louis