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O'Fallon

Trip Planner USA  /  Missouri  /  O'Fallon
(30+ reviews from 1 attraction)
O'Fallon is a city along Interstate 70 and Interstate 64 between Lake St. Louis and St. Peters in Saint Charles County, Missouri. It is part of the St. Louis Metropolitan Statistical Area. As of the 2010 census O'Fallon had a population of 79,329, making it the largest municipality in St. Charles County and seventh largest in the state of Missouri. In 2006 Money Magazine named O'Fallon 39th in its "Best 100 Places to Live." Money Magazine also ranked O'Fallon 68th out of 100 in 2008 and 26th out of 100 in 2010.O'Fallon's namesake in St. Clair County, Illinois is also part of the St. Louis Metropolitan Statistical Area. The two O'Fallons are one of the few pairs of same-named municipalities to be part of the same MSA.HistoryAfter the War of 1812, there was a westward flow of migration through the present-day St. Charles County on the Booneslick Trail (later part of Interstate 70). During the 1830s, many German settlers came to the O'Fallon area inspired by Gottfried Duden's Republic of the Western States of North America. The report was based on his account of living in St. Charles.
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