Welcome to O'Fallon


Located only minutes west of St. Louis County, the City of O'Fallon encompasses nearly 30 square miles with ideal access to I-70 in the north and I-64 in the south.
    Established in 1856, O'Fallon is the seventh largest city in Missouri and largest in St. Charles County, with a growing population of approximately 76,000 residents. While rich in history, the City today offers the latest in housing, business, retail and leisure.

      Overview of O'Fallon
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