St. Charles County Government Information

Founded in 1812, St. Charles County is one of the fastest growing counties in Missouri, and the state’s third largest county in both population and economic share. St. Charles County consistently ranks one of the healthiest places to live in Missouri in the County Health Rankings report published by the Robert Wood Johnson Foundation and the University of Wisconsin Population Health Institute. It is home to 12 scenic county parks encompassing more than 2,800 acres with additional land under development and more in reserve for future development. With a population of 385,840, St Charles County is home to large employers including Citi, MasterCard Worldwide, Boeing and General Motors. It is ranked among the top 25 counties in the nation in high-tech job growth by the Progressive Policy Institute and consistently has the lowest unemployment rate in the Metropolitan St. Louis area. St. Charles County employs nearly 1,100 in more than 30 departments and offices, who work to make the county an excellent place to live, work and shop. For more information, please visit sccmo.org.