O'Fallon is a city located in United States. It is situated at coordinates 38.784444444, -90.708055555.

What is the population of O'Fallon?

As of the latest data, O'Fallon has a population of approximately 91,316.

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O'Fallonverified

city in St. Charles County, Missouri, United States

Photo by NASA on Unsplash

city in St. Charles County, Missouri, United States

city in St. Charles County, Missouri, United States. O'Fallon is a significant location in United States.

No attractions info found for this city yet.