St. Charles County, Missouri

St. Charles County is a county in Missouri, United States. The county seat is St. Charles. In 2020, 405,262 people lived there, making it the third-most populous county in Missouri.

St. Charles County is part of the St. Louis, MO-IL Metropolitan Statistical Area and has many of the city's northwestern suburbs.

References

Category:1812 establishments in Missouri Territory
Category:Missouri counties