Government

City of O'Fallon, Missouri


  • About Us

    O'Fallon is the seventh largest city in Missouri and largest in St. Charles County, with a growing population nearing 80,000 residents. While rich in history, the City today offers the latest in housing, business, retail and leisure. 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.

    O'Fallon is the seventh largest city in Missouri and largest in St. Charles County, with a growing population nearing 80,000 residents. While rich in history, the City today offers the latest in housing, business, retail and leisure. 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.

    Cause Areas Include

    • Children & Youth
    • Civic Engagement
    • Environment & Sustainability
    • Family
    • Volunteering

    Location

    • 100 N Main Street, O'Fallon, MO 63366, United States
    Illustration

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