O'Fallon is a city in St. Clair County, Illinois, United States. The 2020 census listed the population at 32,289. The city is the second largest city in the Metro-East region and Southern Illinois. It sits 5 miles from Scott Air Force Base and 18 miles from Downtown St Louis.

Is O'Fallon Illinois a safe place?

The chance of becoming a victim of either violent or property crime in O'Fallon is 1 in 62. Based on FBI crime data, O'Fallon is not one of the safest communities in America. Relative to Illinois, O'Fallon has a crime rate that is higher than 71% of the state's cities and towns of all sizes.

Is O'Fallon Illinois a good place to live?

“O'Fallon is a great place in which to live, work and play, and this ranking is just another measure of that.” The rankings were based on safety, quality of education, and family-friendly amenities.