City Facilities Delayed Opening to Public Until 10 a.m. on January 22, 2024 »

Due to inclement weather, city facilities will have a delayed opening for the public until 10 a.m. on January 22, 2024...

Trash Pickup Delayed One Day for Remainder of the Week »

O’Fallon, Illinois The City’s contracted waste hauler, Waste Management will not be...

City Hall Closed on December 25, 2023, for Christmas and January 1, 2024 for New Years »

O’Fallon, Illinois - December 12, 2023 In observance of the Christmas and New Year’...

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!