City Hall Closed on Monday, July 4, 2022, in Observance of Independence Day »

O’Fallon, Illinois In observance of Independence Day, City Hall will be closed on...

Pausch Closure

Pausch Road Between City Water Tower and Flagstone Pass Closed Beginning on Tuesday, July 5, 2022 »

O’Fallon, Illinois - June 27, 2022 Beginning Tuesday, July 5, 2022, Pausch Road,...

City Accepting Resumes for Vacant Ward 7 City Council Seat »

O’Fallon, Illinois – June 27, 2022 – The City of O’Fallon is now accepting resumes...

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!