Save the Date: 24th Annual Salute to Scott Tribute and Business Expo and Purple Heart Community Recognition »

O’Fallon, Illinois The City of O’Fallon, along with the O’Fallon-Shiloh Chamber of...

Constitution Week 2018

Constitution Week – September 17-23, 2018 »

O’Fallon, Illinois Mayor Herb Roach and the O’Fallon City Council issued a...

Solarize Metro East “Power Hour” To Be Hosted at City Hall – October 11, 2018 »

O’Fallon, Illinois The City of O’Fallon and The Solarize Metro East Program are...

Welcome to the City of O'Fallon

We are a diverse, charming community of hardworking residents, including personnel from nearby Scott Air Force Base. Over 30,000 people call O'Fallon "home", and each one contributes a wonderful mix of small-town caring and community pride. O'Fallon's rich history of trade and industry, and its solid foundation for continued growth and prosperity make it one of the area's most popular communities in which to live and work. Today, O'Fallon is known as one of the fastest growing communities in the Metropolitan St. Louis area. Visit us and see what O'Fallon has to offer!