The belief that the opportunity to live, work and play within the same community should be readily available supports the strong family values that are O’Fallon’s greatest asset and the foundation on which the City continues to build its future. With that foundation, O’Fallon has achieved phenomenal growth for more than 40 years, expanding from a small bedroom community to become the seventh-largest city in the State of Missouri and the second-largest city in the St. Louis Metro Area. With more than 1,600 businesses, including international leaders such as MasterCard, Citi, and SunEdison, O’Fallon is truly an economic engine for the entire region.
St. Charles County is a vibrant area with scenic parks, award-winning schools, safe neighborhoods and communities, thriving manufacturing and high-tech industries. All this and more can be found in St. Charles County, along with an affordable cost of living. St. Charles County Government is committed to supporting this community by providing exceptional public service. Our nearly 1,100 employees in more than 30 departments and offices work to make their county an excellent place to live.