O'Fallon, Missouri, US is a city located in St. Charles County, founded in 1856 and incorporated in 1912. It was named after John O'Fallon, a Civil War general and railroad builder. The city has experienced significant growth since the 1980s, with a population of approximately 87,000 as of 2020. A notable attraction is the O'Fallon Sports Park, a large recreational facility with multiple sports fields and a fishing lake.
Dollar Tree takes the top spot among Dollar Stores and Deep Discount Stores in O Fallon, Missouri with 1 locations as of April 12, 2024. Five Below is in second place with 1 locations.