City of O'Fallon, Missouri

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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O’Fallon named 26th best city to live in by Money

For the third time in six years, O’Fallon, Missouri, has been named one of the country’s “Best Places to Live,” according to Money magazine’s annual list of America’s 100 best cities. O’Fallon ranked 26th on the 2010 list, the city’s highest ranking to date. To view the Money article, click here. To read more about O’Fallon’s ranking, click here (PDF).

Weatherization Program application

Qualified homeowners are eligible for a home energy audit conducted by the City of O’Fallon and NECAC. As determined with the audit, all eligible weatherization repairs will be completed at no expense to the homeowner. The Weatherization Program is funded by the Missouri Department of Natural Resources/Division of Energy with Recovery and Reinvestment Act funds. Application (PDF).

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