O’Fallon Real Estate
O’Fallon is a city located along Interstates 64 and 70 between Lake St. Louis and St. Peters in St. Charles County, Missouri, United States. It is part of the St. Louis metropolitan statistical area. As of the 2020 census, O’Fallon had a population of 91,316, making it the largest suburb of St. Louis, as well as the largest municipality in St. Charles County and the seventh-largest in Missouri.
O’Fallon was founded in 1856 by Nicholas Krekel. The community was named by Krekel’s older brother, Judge Arnold Krekel, after John O’Fallon, the president of the North Missouri Railroad.
In 2006, Money magazine named O’Fallon 39th in its “Best 100 Places to Live”. The magazine also ranked O’Fallon 68th out of 100 in 2008, 26th out of 100 in 2010, and 42nd out of 100 in 2017.