OTHS Girls Bowling 2018

O’Fallon Township High School Girls Bowling Team Day – August 20, 2018 »

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

City Hall Closed on Monday, September 3, 2018 in Observance of Labor Day »

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

Annual Water System Treatment Begins on August 21, 2018 »

O’Fallon, Illinois Illinois-American Water Company will begin the annual treatment...

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!