City Hall Closed on Monday, September 6, 2021 in Observance of Labor Day »

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

O’Fallon Town Hall Meeting – August 25, 2021 »

O’Fallon, Illinois  A Town Hall Meeting will be held on Wednesday, August 25, 2021...

Andrew Dallner Announced as O’Fallon Director of Parks & Recreation »

O’Fallon, Illinois The City of O’Fallon has named Andrew Dallner as the new...

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!